Answer:
They are examples of erosion by water in different forms
Explanation:
The similarity between a fjord and a gully is: They are examples of erosion by water in different forms. Option C
What is the similarityBoth fjords and gullies are landforms shaped by the erosional forces of water, but they are created in different geographical settings and by different processes.
Fjords are typically found in glaciated areas and are formed by glacial erosion, while gullies can be found in various landscapes and are formed by the erosional action of rivers and streams.
Therefore we conclude that these two environmental phenomena are erosion types that occur in the surrounding we live in
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Which type of rock does B represent?
Igneous rock
Metamorphic rock
Rock formed by compaction
Rock formed by heat and pressure
Answer: Rock B is a Igneous rock.
Answer:
Igneous rock
Explanation:
The igneous rocks are formed by magma, a creamy larva that consists between the friction of the plates, after cooling. The very high temperature of the magma, 1100 ° C, and the environment, the interior of the Earth, do not allow the existence of fossils. They are extremely resistant rocks and result in stones such as granite and basalt. One way to remember their formation and why they are called that way is to associate them with their nickname, magmatic rocks.
As we can see rock B in the image shown above, it came out of an erupting volcano, so we can say that it is an igneous rock.
Igneous or magmatic rocks can take longer or shorter to cool, depending on your particular conditions. The magma expelled by volcanoes, for example, forms rocks in direct contact with the surface; therefore, they will form more quickly. These rocks are called extrusives. Rocks whose magma comes from the depths of the Earth's subsoil result in slower cooling and are called intrusive. These are rocks that originate when the magma reaches the Earth's surface and causes cracks in the crust.
What are the characteristics of Archaebacteria
Answer:
Explanation:
Only archaebacteria are capable of methanogenesis
Archaebacteria who use other forms of cellular respiration also exist, but methane-producing cells are not found in Bacteria or Eukarya.
Unique cell membrane chemistry. Archaebacteria have cell membranes made of ether-linked phospholipids,
When is the Earth closest to the sun?
when it is summer in the Northern Hemisphere
during the vernal equinox
when it is winter in the Northern Hemisphere
during the autumnal equinox
Answer:
when it is summer in the Northern Hemisphere
Explanation:
The Earth is closest to the Sun in early January, during winter in the Northern Hemisphere. This closest point is called perihelion. Option C is correct.
The Earth is nearest to the Sun during the time known as perihelion. This happens toward the beginning of January, regularly around January third. This reality may shock to some, as it implies the Earth is nearest to the Sun during winter in the Northern Side of the equator. This variation in distance from the Sun is caused by the Earth's slightly elliptical orbit. Subsequently, Northern Side of the equator winters are to some degree milder in light of the fact that the Earth gets more sun powered energy during this period, while summers are milder too because of the Earth being at its farthest separation from the Sun around the July fourth period, known as aphelion.Complete question as follows:
When is the Earth closest to the sun?
A. when it is summer in the Northern Hemisphere
B. during the vernal equinox
C. when it is winter in the Northern Hemisphere
D. during the autumnal equinox
The behaviors and physical characteristics of species that allow them to live successfully in their environment are called
Final answer:
Adaptations are heritable traits that help organisms survive and reproduce in their environments. Examples include the webbed feet of platypuses for swimming, the thick fur of snow leopards for warmth, and the fast speed of cheetahs for catching prey.
Explanation:
The behaviors and physical characteristics of species that allow them to live successfully in their environment are called adaptations. An adaptation is a heritable trait that enhances an organism's ability to survive and reproduce in its specific environment. Examples of adaptations include the webbed feet of platypuses, which aid in swimming, the thick fur of snow leopards for warmth in cold habitats, and the cheetah's fast speed, which is crucial for catching prey. Scientists explain that adaptations occur through a change in the range of genetic variation over time, improving or maintaining the fitness of a population to its environment.
What stage of a plants life cycle produces sex cells?
Answer:
gametophyte stage: plant life cycle begins when cells in reproductive organs undergo meiosis and produce haploid sex cells (spores)
Explanation:
Which of the following structures stores genetic information in both
eukaryotic and prokaryotic cells?
Answer:
DNA or chromosome.
Explanation:
Without choices I can't be sure, but genetic information is found in chromosomes (1 in prokaryotes, many in eukaryotes) which contain DNA.
DNA, organized into chromosomes, is the structure that stores genetic information in both eukaryotic and prokaryotic cells. Prokaryotic cells mainly have one circular chromosome while eukaryotic cells usually have multiple linear chromosomes located in the nucleus.
Explanation:The structure that stores genetic information in both eukaryotic and prokaryotic cells is the DNA, specifically organized into chromosomes. Prokaryotic cells generally have a single circular chromosome, while eukaryotic cells typically have multiple linear chromosomes present within the cell nucleus. Regardless of their form or location, these chromosomes carry all hereditary information in the form of genes, which are specific sequences of DNA nucleotides that code for proteins, the 'workhorses' of the cell.
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Which statement best describes the relationship between an allele and a gene?
A. An Allele is a variation of a gene that can be expressed as a phenotype.
B. An allele is the part of a gene that attaches to messenger RNA molecules.
C. An allele is the primary protein made by a gene found in a developing embryo.
D. An allele is a segment of a DNA molecule that controls replication of a gene.
Answer: A
Explanation: bc reasons. If u need/want an explanation call SAAAAARRRRAAAAAAHHHHH
A is the ans for your question
what is true about ice and liquid water
Ice has a lower density than liquid water because it has more space between molecules.
(APEX)
During which geologic timespan below could in interaction between humans and mammoths have occurred?
1. Pleistocene Epoch
2. Pennsylvania period
3. Precambrian
4. Paleozoic Era
Answer:
Pleistocene Epoch
Explanation:
Modern humans coexisted with woolly mammoths during the Upper Palaeolithic period when the humans entered Europe from Africa between 30,000 and 40,000 years ago. Before this, Neanderthals had coexisted with mammoths during the Middle Palaeolithic, and already used mammoth bones for toolmaking and building materials. Woolly mammoths were very important to ice-age humans, and human survival may have depended on the mammoth in some areas.
The Pennsylvania period, Precambrian period, and the Palezoic Era all existed millions of years before mammoths and humans.
1. When a person does strenuous exercise, small blood vessels (capillaries) near the surface of the skin increase in diameter. This change allows the body to be cooled. Which of the following best illustrates these statements?
1Points
A
excretion
B
homeostasis
C
locomotion
D
synthesis
2. Which two statements below correctly describe one similarity and one difference between cellular respiration and photosynthesis?
Cellular respiration and photosynthesis both involve water.
Cellular respiration uses sugar and photosynthesis produces sugar.
Cellular respiration and photosynthesis both use light to produce energy.
Cellular respiration requires light energy and photosynthesis requires chemical energy.
1Points
A
Statements 1 and 2
B
Statements 1 and 4
C
Statements 2 and 3
D
Statements 3 and 4
3. Materials are able to move across a cell membrane through one of two methods: active transport or passive transport. What is the difference between the two?
1Points
A
Active transport requires the cell to form vesicles, while passive transport requires the use of membrane pumps.
B
Active transport requires the cell to expend energy, while passive transport does not.
C
Active transport is the only form of transport that requires the use of protein carriers.
D
Passive transport is the only form of transport that requires the use of protein carriers.
4. A trait in cows is determined by two alleles of a single gene: allele R is dominant, and allele r is recessive. What is the probability of the dominant trait being expressed in the offspring of a cross between one RR parent and one rr parent?
1Points
A
25 percent
B
50 percent
C
75 percent
D
100 percent
5. Overuse of antibiotics has caused antibiotic resistance in some bacteria in a population. Which statement describes the most likely impact of natural selection on the bacterial population?
1Points
A
Beneficial mutations have decreased, resulting in a larger population than normal.
B
Only the genes for antibiotic resistance are now expressed, eliminating other genes.
C
More antibiotic-resistant bacteria have survived, resulting in more offspring with this trait.
D
The bacteria have become genetically isolated, resulting in decreased reproductive rates.
Final answer:
1. The increase in diameter of small blood vessels during strenuous exercise is an example of B) homeostasis. 2. Cellular respiration and photosynthesis both involve water, but cellular respiration uses sugar while photosynthesis produces sugar. 3. B) Active transport requires energy, while passive transport does not. 4. D) The probability of the dominant trait being expressed in the offspring of an RR parent and an rr parent is 100 percent. 5. Overuse of antibiotics has led to increased survival of antibiotic-resistant bacteria through C) natural selection.
Explanation:
1. The best choice that illustrates the statements about small blood vessels increasing in diameter during strenuous exercise is B) homeostasis. Homeostasis refers to the body's ability to maintain internal stability and balance, and in this case, increasing the diameter of capillaries helps regulate body temperature during exercise.
2. The correct choice that describes a similarity between cellular respiration and photosynthesis is A) Statements 1 and 2. Both processes involve the use of water, but cellular respiration generates energy from sugar, while photosynthesis produces sugar using light.
3. The difference between active transport and passive transport is that active transport requires the cell to expend energy, while passive transport does not. Passive transport occurs naturally without the need for cellular energy.
4. The probability of the dominant trait being expressed in the offspring of an RR parent and an rr parent is 100 percent (D). Since the RR parent is homozygous dominant, all of its offspring will inherit the dominant trait.
5. The most likely impact of natural selection on a bacterial population due to the overuse of antibiotics is that more antibiotic-resistant bacteria have survived, resulting in more offspring with this trait (C). Natural selection favors traits that provide an advantage in the given environment, and in this case, antibiotic resistance provides a survival advantage.
Which force most likely created this mountain?
Answer:
The movement of tectonic plates was the force that most likely created this mountain.
Explanation: Hope this helps!
Answer:
A. Compression
Explanation:
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A community has only one organism, while a population has many organisms.
Answer is first choice
how many calories of energy are available in the bodies of the creatures that eat the plankton
Answer: 8,000 calories
Hey guys can anyone help me? I have been stuck on this one for a while.
The diagram below shows the branching tree diagram for cats.
(The diagram is at the bottom)
Which shared derived characteristic do reptiles, marsupials, and dogs have?
1)Amniotic egg
2)Fur
3)Retractable claws
4)Shearing teeth
OPTION A.
Reptiles, marsupials, and dogs share the characteristic of having an Amniotic egg, which is a major development in their evolutionary history allowing them to reproduce on land. Other listed traits are not shared by all these groups.
Explanation:The shared derived characteristic that reptiles, marsupials, and dogs have is the Amniotic egg. This type of egg is a major evolutionary innovation that allowed these groups to reproduce on land. Inside the Amniotic egg, the embryo is surrounded by a fluid-filled sac, the amnion, protecting it from desiccation. The other characteristics mentioned, like fur, retractable claws, and shearing teeth, are not shared by all of these groups. For instance, reptiles do not have fur, and not all marsupials and dogs have retractable claws or shearing teeth.
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which product is the result of light reactants in photosythesis
The Light Reactions of Photosynthesis. Light is absorbed and the energy is used to drive electrons from water to generate NADPH and to drive protons across a membrane. These protons return through ATP synthase to make ATP.
What is the end product of light reaction in photosynthesis?
The energy from sunlight is converted into a small amount of ATP and an energy carrier called NADPH. Together with carbon dioxide, these are used to make glucose (sugar) through a process called the Calvin Cycle. This is the things happening during light reaction of photosynthesis .
Hope this helps:)
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Which is a powdery substance released by the flowers of certain plants, which also one of the most common allergens? A. histamine B. asthma C. pollen D. baking powder
Answer:
uhm C. Flowes have pollen.
Explanation:
C. Pollen!
Flowers release pollen and many people are allergic (allergens) to pollen
Hope this helped!
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Osteoporosis is a disease that affects the bones and leads to an increase in bone fractures. Osteoporosis is most likely to be affected by which cycle? water phosphorus
Answer:
The answer is the phosphorus cycle. Osteoporosis is the loss of bone mass due to loss of mineralization of bone hence making the bone weak and spongy thence prone to fractures. Phosphates, and calcium, is one of the minerals used to make bone strong by filling in the spaces in between the osteocytes and collagen of bone.
Answer:
Its B
Explanation:
go ahead...
does an island in the ocean have high or low speciation
Islands can host high speciation rates, particularly when isolation prompts rapid adaptation and variety amongst species. However, smaller islands or those further from the mainland generally see lower speciation due to reduced migration and fewer available niches.
Explanation:Biodiversity on an island results from a combination of
speciation
, migration, and extinction. According to the work of Robert H. MacArthur and Edward O. Wilson on
island biogeography
, islands farther from the mainland generally have lower biodiversity as they are harder to reach, reducing migration rates. Within each island population, the number of species tends to increase over time to levels similar to the mainland source, assuming sufficient time without major disturbances. However, smaller islands, which present fewer niches and support smaller populations, are at a greater risk of extinction and typically see lower speciation rates. Examples of
adaptive radiation
, such as the cichlid fish in Lake Victoria, illustrate how variation can increase rapidly in isolated environments, leading to higher speciation rates.
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A specific atom of molybdenum has an atomic number of 42 and a mass number of 96. How many protons are in this atom of molybdenum?
Answer:
42
Explanation:
The mass number of an atom is equal to the number of protons plus the number of neutrons in a nucleus
This atom Mo-96 has an atomic number of 42 and so has 42 protons in the atom.
The atomic number of molybdenum is 42 and mass number is 96. . Number of protons in the molybdenum has 42 protons.
Molybdenum:Molybdenum is used to make alloys. It is d block element. Atomic number of molybdenum is 42. Molybdenum has very high melting point. Molybdenum is essential element present in plants and animals. There are about 50 different enzymes which contain molybdenum.
Atom is the smallest particle. It contains subatomic particles such as protons, neutrons and electrons. Atom contains nucleus at its center. It contains protons and neutrons.
Electrons revolve around positively nucleus. Atom contains same number of protons which is equal to its atomic number.
Therefore, The atomic number of molybdenum is 42 and mass number is 96. Number of protons in the molybdenum has 42 protons.
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The graph on the left shows the heights of a population of penguins. The graph on the left shows heights of the population five years later.
What happened to the population of penguins?
Answer: disruptive selection
There are three types of selection:
Stabilizing selectionDirectional selectionDisruptive selection1. Stabilizing selection
Selects for average individuals Decreases variation/diversity ⇒ the population has more of the average trait and less of the extreme traits2. Directional selection
Selects for one of the extreme variations of a traitDecreases variation/diversity3. Disruptive selection
Selects for both extremes of a trait's variationSelects against average phenotypesCan lead to speciation (formation of a new species)See below attachment for additional help.
It is directional selection.
Dr. Peterson does an experiment to research the growth rate of mice. He has two groups of mice. He feeds one group a type of food and adds chemical A, which is supposed to increase growth rate. The other group he feeds the same food without chemical A added. His research shows that chemical A increases growth rate by 30%. He does the experiment 4 times and comes up with the same result each time.
Dr. Peterson concludes that chemical A does increase the growth rate of mice. Is Dr. Peterson's conclusion supported by scientific knowledge?
A.
No; scientific knowledge never comes from research or experiments.
B.
Yes; any study that involves a percentage is based on scientific knowledge.
C.
Yes; his conclusion is supported by evidence from his experiment.
D.
No; science cannot be used to research small animals such as mice.
Answer:
C
Explanation:
write any two points to justify that urbanization brings energy crisis
Answer:
Industrialization, which has become a growing part of urbanization, is heavily dependent on machines that require energy.
The increase in urban populations has led to the development of more machinery and hardware that uses up both infinite and finite sources of energy.
Explanation:
Answer:
The first point refers to the fact that concentrated energy consumption increases air pollution, with a notable impact on human health.
The second point has to do with the fact that many developing countries depend on international markets to get their own resources such as machinery, raw materials or energy inefficiently used in the production of manufactured goods, which is why a increase in the international prices of these inputs.
Explanation:
The contribution of urbanization brings about an increase in emissions of polluting gases in the air and several studies show that urbanization is related to the increase in environmental pressures such as energy consumption and CO2 emissions into the atmosphere.
As stated before, developing countries have a dependency on international markets to obtain their resources, which are used in their national productions of manufactured goods, many times these processes are affected by an inefficient use of energy, by which any change in the international prices of the inputs would also affect the prices of the products manufactured both nationally and internationally.
Plz help. A behavior that an organism is born with is called a(n)
A. Innate behavior
B. conditioned behavior
C. Imprinted behavior
D. Learned behavior
The act of an organism is referred to as behavior. It can be of different types. The one that an organism is born with is inborn behavior, i.e., option A.
What is inborn behavior?Inborn behavior is genetically acquired by an organism and can be performed in response to a factors without prior experience.
Some actions, such as the knee-pull reflex and the nursing reflex of human infants, are inborn behaviors.
Thus, the correct option is A.
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what is the main difference between animal cell and plant cell?
There are a few differences between plant and animal cells. One major difference is their structure; animals are enclosed by a cell membrane, but plant cells have a cell membrane and a cell wall to give them a more solid form. Another major difference is that plant cells have chloroplasts for photosynthesis whereas animal cells do not because they do not undergo photosynthesis.
Hope this helps!!
The main difference between animal and plant cells is that plant cells have a cell wall, chloroplasts, and a large central vacuole, which are absent in animal cells. However, animal cells have centrioles and lysosomes, not usually found in plant cells.
Explanation:The main difference between an animal cell and a plant cell lies in a few key structures. Plant cells have a cell wall, chloroplasts, and a large central vacuole, which are not found in animal cells. The cell wall provides additional support and protection to the plant cell. Chloroplasts are where photosynthesis takes place, and the central vacuole stores water and maintains the cell's turgor pressure.
On the other hand, animal cells have centrioles and lysosomes, which are usually not found in plant cells. Centrioles help in cell division, and lysosomes help in digestion and waste removal. Both types of cells have other common structures like the cell membrane, nucleus, and mitochondria among others.
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what's the term for the phenomenon of a hurricane pushing water towards the shoreline
A. Storm surge
B. Tsunami
C. Rip tide
D. Wave cluster
Answer:
storm surge
Explanation:
Answer:
Storm surge
Explanation:
A storm surge, storm flood, tidal surge, or storm tide is a coastal flood or tsunami-like phenomenon of rising water commonly associated with low-pressure weather systems, such as cyclones. It is measured as the rise in water level above the normal tidal level, and does not include waves.
The reactants when fossil fuels are burned are shown below. What are the
products of this reaction?
Fosil fuel + oxygen gas
?
Burning fossil fuels create:
Energy and carbon dioxide
Answer: Fossil fuel is burned in the presence of oxygen to release energy and carbon dioxide and heat.
Explanation:
The combustion of fossil fuel release enormous amount of energy in the form of heat which is used to perform various tasks. This process also releases some amount of carbon dioxide.
Fossil fuels are formed by the compression of biomass deep inside the earth that takes thousands years to get converted into fossil fuel.
Many bacteria are able to pass small pieces of the hereditary information on their DNA from one bacterial cell to another. This can sometimes result in an increase in the number of drug-resistant bacteria. What name is given to the process by which one bacteria transfers DNA to another? A) sporolysis B) conjugation C) gametic transfer D) haploid translocation
Answer:
The process in which one bacteria transfers DNA to another is called conjugation.
Explanation:
Conjugation is the process of transferring genetic material from one bacteria to another through direct cell contact. In the process of conjugation one bacteria acts as donor and transfer the DNA to a recipient. There is a specific DNA sequence present in Donor's DNA called fertility factor (F factor). F factor helps in the formation of pillus which is the site of genetic material transfer.
Sickle-cell anemia is an example of codominance. What implications does this have for people with one or two copies of the sickle-cell gene?
A. People with two copies of the mutated gene have healthy red blood cells. People with one copy of the mutated gene don't have the disease but are carriers of the disease.
B. People with two copies of the mutated gene have sickle-cell anemia. People with one copy of the mutated gene have both healthy and misshapen red blood cells and are carriers of the disease.
C. People with two copies of the mutated gene are carriers of the disease. People with one copy of the mutated gene don't have the disease.
D. People with two copies of the mutated gene have sickle-cell anemia. People with one copy of the mutated gene have healthy red blood cells.
Answer: B - People with two copies of the mutated gene have sickle-cell anemia. People with one copy of the mutated gene have both healthy and misshapen red blood cells and are carriers of the disease.
Explanation:
Co-dominance is when both the alleles of a gene in a heterozygote show. In the case of sickle cell anemia (since it is a co-dominant trait) even if the person only has one sickle cell allele, symptoms of sickle cell will still show up in that person. That's why the person in this example has both misshapen and healthy red blood cells.
Answer:
Answer: B - People with two copies of the mutated gene have sickle-cell anemia. People with one copy of the mutated gene have both healthy and misshapen red blood cells and are carriers of the disease.
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Explanation:
Which allele combination represents a female who has a heterozygous sex-linked trait? XRY XrY XRXr XRXR
Answer:
XRXr
Explanation:
The X and Y chromosomes determine the sex of an individual. A female has a pair of X chromosomes, while the male has an X and Y Chromosome. Based on this, we can rule out the first two options, because those are males.
When we say heterozygous, this means that there is a dominant and recessive trait. In genotypes, dominant traits are represented by a capital letter, while the recessive traits are represented by a lower case letter So in this case, we are looking for Rr.
This means that our answer is XRXr.
Answer:
XRxr
Explanation:
Edge
the cubic centimeter (cm3) is a measurement of which of the following quantities
Answer:
Volume
Explanation:
(cm3) is a commonly used unit of volume that extends the derived SI-unit cubic metre, and corresponds to the volume of a cube that measures 1 cm × 1 cm × 1 cm.
Answer:
I don't know what the list is but I assume it is volume