An ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions. Ionic bonds are formed between a cation, which is usually a metal, and an anion, which is usually a nonmetal. A covalent bond involves a pair of electrons being shared between atoms.
Which of the following could be caused by a decrease in carbon fixation?
An increase in the total biomass of consumers in the world
Explanation;Carbon fixation is the process through which carbon dioxide is removed from the air and incorporated into an organic molecule.Carbon fixation occurs during the light independent reaction of photosynthesis and is the first step in the C3 or Calvin Cycle. The Calvin cycle uses the energy from short-lived electronically excited carriers to convert carbon dioxide and water into organic compounds that can be used by the organism.Answer:
a decrease in the total biomass of consumers in the world
Explanation:
A decrease in carbon fixation would likely increase the amount of carbon dioxide in the air and decrease the amount of oxygen. This would change how much respiration and photosynthesis could take place, resulting in:
a decrease in the total biomass of consumers in the world,
an increase in the total biomass of producers in the world, and
a decrease in the size of insects and arthropods, since their ability to move oxygen from the air into and through their bodies is limited.
Matter has two basic properties physical properties and chemical properties which of these statements best describes physical properties
I would say ones that can be seen, it affects the physical era of life eg H20 one of its physical qualities is its clear... coloress
Physical properties of the atoms are the properties which can be easily observed without any change in the identity of a substance. Thus, the correct option is B.
What are Physical properties?The physical properties can be defined as the properties which can be measured easily. Physical properties refer to the measurable value of the object which can be used to describe the state of the physical system.
The physical properties can be observed through different methods, hence they are also called as the observable properties. They are not the modal properties.
Any change in the physical properties describes the changes between the momentary states of the object or the substance. Physical properties can be observed without any change in the identity of the object.
Therefore, the correct option is B.
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Your question is incomplete, most probably the complete question is:
Matter has two basic properties physical properties and chemical properties which of these statements best describes physical properties
A. Physical properties behave identically for all matter under the same conditions.
B. Physical properties can be observed without changing the identity of a substance.
C. Physical properties are observed by seeing how a substance reacts with other substances.
D. Physical properties cause atoms and molecules to change structure when substances are mixed
The diagram shows the process of meiosis. which statement is correct regarding meiosis and reproduction?
Answer:
C
Explanation:
This answer is coming directly from USAtestprep
The study of cells is called cell biology. There are two types of cells on the basis of the number and these are unicellular and multicellular.
The options are missing
What is meiosis?Meiosis is a special type of cell division of germ cells in reproducing organisms used to produce the gametes, such as sperm or egg cells.It involves two rounds of division that ultimately result in four cells with only one copy of each chromosome.Kindly provide the option for better assessment.
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Cells without the correct antigen proteins are foreign and are tagged with ____ for destruction.
A) Lymphocytes
B) Antibodies
C) Antibiotics
it's C) Antibiotics Your welcome
Cells without the correct antigen proteins are foreign and are tagged with antibodies for destruction.
Answer: Option B
Explanation:
Whenever a foreign particle enters our body , our body’s own defense mechanism that is the immune system gets activated. This immune system comprises of certain antibodies that get tagged to the foreign moiety and takes it for destruction.
One more added advantage of these antibodies is that they remember the structure of the foreign particle that affected our body and thereby exerts double the force when the particle re-inters the body.
What is relationship between restriction sites and a restriction map
A restriction map is a map of known restriction sites within a sequence of DNA. Restriction mapping requires the use of restriction enzymes. In molecular biology, restriction maps are used as a reference to engineer plasmids or other relatively short pieces of DNA, and sometimes for longer genomic DNA.
the properties and interaction of magnets are referred to as
refers to the properties and interactions of magnets. magnetic force
Material or an item that creates a magnetic area is called a magnet. The domain defines the attractive and repellent property of the magnet.
The properties and interaction of magnets are called magnetism.
A force created during the attraction and repugnance of magnets towards different magnets or objects is called magnetism. It generally results due to the existence of the electric field.It is an essential effect that causes a shift in the magnetic field that influences the electric field and vice versa.Therefore, magnetism is the property of magnets interacting in the field.
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What is the difference between micro-evolution and macro-evolution?
1. Macro evolution is a change in the gene pool and micro evolution is the formation of a new species.
2. Micro evolution is the change in the gene pool and macro evolution is the formation of a new species.
3. There is no difference.
4. Micro evolution only happens in the Galapagos island and Marco evolution only happens in Trinidad.
Please please help!
I think the answer would be 2.) Micro evolution is the change in the gene pool and macro evolution is the formation of a new species.
Microevolution refers to small evolutionary changes within a species' gene pool, while macroevolution describes larger evolutionary changes that lead to the formation of new species over long geological time periods.
Explanation:The terms microevolution and macroevolution refer to different scales of evolutionary changes in organisms. Microevolution is the change in allele frequencies that occurs over time within a population, leading to adaptations and variations within a species. This process includes the natural selection of advantageous traits, genetic drift, mutations, and gene flow. It occurs on a relatively small scale and often over a short period of time. In contrast, macroevolution involves the evolution of entire taxonomic groups over long periods of geological time, leading to the emergence of new species (speciation), extinction events, and the evolution of major new features or body plans. It includes the accumulation of microevolutionary changes that lead to the formation of new species and larger evolutionary changes.
Which of the following is not a typical type of weather data collected?
i had to look this up but next time try to get the answer choices
angle of the sun
╦___________________________________╦
│Hope this helped _____________________│
│~Xxxtentaction ^̮^ _____________________│
╩___________________________________╩
Answer:
angle of the sun
Explanation:
rip Juice Wrld
The atom that is most closely associated to living things is carbon or nitrogen
the atom that is most closely associated to living things is carbon
Answer:
Carbon
Explanation:
Carbon is associated with living beings by participating in the metabolic needs of these organisms, being the chemical basis for the essential molecules (such as proteins, carbohydrates and lipids) of living things.
Carbon is also present in the photosynthesis reaction of plants, where the sun's energy reacts with carbon to generate oxygen.
In addition, carbon is present in many foods, particularly carbohydrates, which when eaten by animals, are converted into energy to help them stay alive.
Match each environment change with its description?
✯Hello✯
↪ Acid Rain ---> Chemicals react with water and oxygen that enters water systems
↪ Eutrophication ----> Nutrients in excess amounts enter water systems causing algal bloom
↪ Biomagnification ----> A high concentration of Toxic chemicals present in Bodies of Animals...
↪ HOPE THIS HELPS
❤Gianna❤
Answer:
1. Acid Rain matches with the first statement.
2. Eutrophication match with the second statement.
3. Biomagnification match with the third statement.
Explanation:
Acid Rain is any type of precipitation having acidic components that fall to the earth surface from the atmosphere and enter in the water cycle.
It can be dry also, acid rain affects affect living beings and water bodies in many ways.
The increase in the concentration of toxic chemicals or substances in the tissues of living beings at successively higher trophic levels in a food chain is biomagnification. The most common example of eutrophication is nitrogen and phosphorus which come from runoff from agricultural land and from detergents.
The enriched with nutrients in any body of water or lake causes the death of animal life and a dense growth of plant life from lack of oxygen.
How are finches in the Galapagos islands a good example of adaptation?
The finches on the Galapagos Islands are a good example of adaptation because they all trace their ancestry into a small group of finches that inhabited these islands, but diversified in accordance to the environment. On the Galapagos Islands, there are finches that have numerous types of different beak shapes and sizes, despite them all being derived from a single group of finches that had the same characteristics. The reason for this is that once they got to these islands, there were multiple niches int the food chain that were free for taking. Some finches started to feed on plants, some on seeds, some became insect-eaters etc. Every food type needs special adaptation so that the finches can eat it more easily, or even be able to get to its nutritional part, thus their beaks started to change in accordance to their food preference.
an independent variable is
A variable that is not dependent, e.g. when inserting soap into water to test its surface tension, the independent is soap. It is the change that is controlled in the experiment.
Which of the following best describes a gene?
Answer:
The answer is D. Have a nice day (:
Explanation:
The options are not found here but a gene is a region of DNA that codes for a protein product.
What is a gene?A gene is a specific DNA fragment that generates a protein by the processes of transcription and translation.
The gene serves to connect the DNA information to a specific amino acid (protein) chain.In conclusion, the option is not found here but a gene is a region of DNA that codes for a protein product.
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A golf ball is at rest on the grass when a golfer walks up and applies 10 N of force to it. There is 2 N of friction, resulting in 8 N of net force. What will happen to the ball?
A It will remain at rest.
B It will move in the direction opposite the net force.
C It will move slowly at first, then speed up.
D It will move in the direction of the net force.
Answer:the answer is D
Which layer of the earth is a solid and why?
The inner core is solid because of the high pressure and temperature!! Hope I could help :)
The crust is solid and this is because the crust was formed by magma that later was cooled causing it to form the earths crust
Explain why it is difficult to calculate the Earth's carrying capacity for the human population.
it is hard to calculate the carrying capacity of the earth because not all of the planet is inhabited and with the way that us humans can grow food practically anywhere the capacity cannot be accurately determined.
Answer:
Explanation:
Carrying capacity is the maximum members of population of species which an environment can support on the basis of presence of resources.
It is difficult to calculate the carrying capacity of planet earth for human beings. As not all land over earth is occupied by humans and the population of human beings increasing exponentially worldwide. Due to their intelligence and ability to solve problems related to scarcity of resources. The carrying capacity of humans is difficult to determine.
Non-vascular plants have adapted for survival by all of these methods EXCEPT
A) small size.
B) alternation of generations.
C) growing extremely long roots.
D) water required for reproduction.
Answer: Growing extremely long roots
Explanation:
Non vascular plants are small plants that is without a vascular system. These plants does not consists of vascular system. They have simpler tissues that are specialized for the internal circulation of nutrients and minerals.
The minerals and nutrients are absorbed directly by the leaves of bryophytes. They are small sized plants, complete their life cycle by alternation of generation.
They require water for reproduction because they grow in moist places and wetlands et cetera.
Answer:
the answer is C. growing extremely long roots.
Explanation:
are specialized cells that convert light into electrical signals.
photoreceptors are specialized cells that convert light into electrical signals.
Many cells have a nucleus that contains chromosomes. These chromosomes carry genes that are composed of _________________.
A
Hormones
B
Minerals and water
C
DNA molecules
D
Undigested food molecules
C. DNA molecules
Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.
Final answer:
The chromosomes in a cell nucleus are made up of C. DNA molecules, which contain the cell's genetic information in the form of genes.
Explanation:
Chromosomes within the nucleus of a cell are composed of deoxyribonucleic acid (DNA) molecules. Each chromosome is a single DNA molecule complexed with proteins, which include histones, that assists in the organization and compaction of these DNA molecules.
Each chromosome is a single DNA molecule wrapped around proteins. Genes are relatively short segments of DNA that contain the code for the creation of a protein. The DNA within these chromosomes carries genetic information in segments called genes, which are responsible for the inherited characteristics of an organism.
During cellular respiration, which of the following is equal to the total number of hydrogen atoms in water?
Number of hydrogen atoms in glucose
Number of hydrogen atoms in carbon dioxide
Total number of hydrogen atoms in sugar and hydrogen gas
Total number of hydrogen atoms in carbon dioxide and oxygen
Which is the correct answer? Please help!!
the answer i believe is "total number of hydrogen atoms carbon dioxide and oxygen" pls make me a brainliest
Answer:
Total number of hydrogen atoms in carbon dioxide and oxygen
Explanation:
Cellular respiration is the biochemical process that cells perform to remove energy from molecules and use that energy in their vital processes. The two main types are anaerobic breathing (without the use of oxygen) and aerobic breathing (with the use of oxygen). The cell respiration process involves several steps. Cellular Breathing is one of the main activities of cells, as it is through this process that the cell can produce energy for all its functioning.
During cellular respiration, the total number of hydrogen atoms in the water is equal to the total number of hydrogen atoms in carbon dioxide and oxygen.
what are alll examples for sexual reproduction
Im not sure what the question is could u further define or give me the possible answers
Pewdiepie and marzias honeymoon
in this diagram, the moon is directly in front of the earth. Where would most likely happen if the moon was not directly in front of the earth?
The Moon's Two Shadows. An eclipse of the Sun (or solar eclipse) can only occur at New Moon when the Moon passes between Earth and Sun. If the Moon's shadow happens to fall upon Earth's surface at that time, we see some portion of the Sun's disk covered or 'eclipsed' by the Moon.
HOPE THIS HELPED!!!! XD
C. There would be a partial eclipse. What would most likely happen if the moon was not directly in front of the earth is a partial eclipse.
A partial eclipse occurs when the Moon or Earth is not perfectly aligned with the Sun, so only part of the Sun or Moon is obscured.
A partial solar eclipse occurs when the Moon is not perfectly aligned between the Earth and the Sun. The Moon’s penumbra partially covers the Sun, leading to a partial eclipse of the Sun.
A partial lunar eclipse occurs when the Earth’s shadow partially covers the Moon. The alignment is such that only part of the Moon enters the Earth’s shadow.
Complete Question:
In this diagram, the Moon is directly in front of the Earth. What would MOST LIKELY happen if the moon was not directly in front of the Earth?
A) There would be a total solar eclipse.
B) There would not be a solar eclipse.
C) There would be a partial eclipse.
D) There would be a lunar eclipse.
. The factor most likely to result in a decrease in the size of a specific population is _____. better hygiene famine industrialization vaccination
The factor most likely to result in a decrease in the size of a specific population is _____.
Famine
~Hope this answers your question!~
Answer:
Famine.
Explanation:
The condition in which there is a severe deficiency of food in a region is called a famine. During the famine, a lot of mortality occurs as there is a shortage of food and this can then result in starvation, malnutrition or an epidemic which will, in turn, cause a lot of mortality.Famine can result if there is crop failure, war or the prices of the food increases. Therefore, being a cause of mortality, famine can lead to a decrease in the population size.Which of the following are not included in the Big 6
Answer:
-
Explanation:
Where are the questions at?
True or false. All of the fresh water that people use comes from lakes, streams, or rivers.
If false, please give correct answer.
True hope this helps
False. Well partially. Glaciers also contribute to the supply of fresh water.
climate change and agriculture are interrelated processes on a global scale. How does agriculture contribute to the rising climate?
Agriculture significantly contributes to the amount greenhouse gases emitted into the atmosphere. This is cause by several aspects of agriculture. For instance, livestock generate more greenhouse gases (methane from the wastes they produce) worldwide than all modes of motor-vehicle transportation combined. There's also the aspect of deforestation. Trees help reduce greenhouse gases in the atmosphere by taking CO2 from the air. Therefore, cutting down trees in order to plant crops/raise livestock is indirectly adding to the amount of greenhouse gases in the atmosphere. Agriculture also requires the uses of engines to harvest and transport crops (ex: tractors plowing the soil or trucks transporting crops to grocery stores), which creates greenhouse gases as well.
the answer is d ....
muscles are ______ and built up throughout life with new muscle tissue?
Repaired
weakened
damaged
Muscles are repaired and built back up throughout life with new muscle tissue.
A molecule of oxygen gas is made from:
A) one oxygen atom
B) the bonding of two oxygen atoms
C) the bonding of one oxygen atom with two hydrogen atoms
D) the bonding of a variable amount of oxygen atoms
An oxygen molecule contains only oxygen. Nothing else.
That makes C wrong.
A is wrong because there needs to be 2 oxygens. The bonding rules for the non metals vary, but in general they are even numbers. They are also fixed. Oxygen happens to bond 2 oxygens for 1 molecule.
D is wrong. See the explanation for C. The number is fixed. It is 2.
B is the correct answer.
states that all matter is evenly distributed throughout the universe, in the same amounts, moving in the same directions, and in the same ways
The phrase mentioned refers to the cosmological principle in physics, which asserts that the universe on a large scale is isotropic and homogeneous. It helps simplify models of the universe's expansion and is a base for theories on the universe's structure and dynamics. However, it remains an assumption and may not account for all possible micro variations.
Explanation:The statement you mentioned refers to the cosmological principle, a foundational assumption in the field of cosmology. This principle assumes that on a large scale, the universe is isotropic (the same in all directions) and homogeneous (having a consistent and even distribution of matter), which leads it to appear the same regardless of your observational vantage point. Having isotropic and homogeneous properties means the universe is smooth, as shown by various galaxy surveys.
This principle has played a significant role in the development of theories about the universe's structure and dynamics. For instance, it significantly simplifies models related to the universe's expansion. Concepts like Newton's laws and the law of conservation of matter do operate under this assumption, upholding the fact that the universe's behaviour can be predictable to an extent based on these laws.
Despite its broad acceptance, keep in mind that the cosmological principle is still an assumption and is subject to limitations. For instance, it does not account for small-scale local differences and potential uneven distribution of dark matter.
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because increased carbon in the atmosphere traps heat in Earth's atmosphere,it intensifies the______effect?
a) habitat restoration
b) globalization
c) greenhouse
d) doghouse
burning organic material (s) such as_______, releases carbon dioxide?
a) all of the above
b) iron
c) steel
d) fossil fuels
Carbon mixes with......
a) land
b) water
c) none of the above
d) all of the above
e) atmosphere
1. C) Greenhouse Effect
2. D) Fossil Fuels
3. D)All of the Above
:)
Increased carbon in the atmosphere intensifies the greenhouse effect, a principal cause of global warming. The burning of fossil fuels is an example of human activity that releases carbon dioxide into the atmosphere. Further, carbon mixes with the atmosphere and water, impacting both.
Explanation:Increased carbon in the atmosphere intensifies the greenhouse effect. This is because carbon, particularly in the form of carbon dioxide, is a major component of greenhouse gases. These greenhouse gases trap heat in Earth's atmosphere, contributing to global warming. An example of this is the burning of organic materials such as fossil fuels which release carbon dioxide into the atmosphere.
Carbon can mix with a variety of substances including the atmosphere and water. When carbon dioxide is dissolved in water, it can form carbonic acid, which contributes to ocean acidification. In the atmosphere, carbon gases contribute to the greenhouse effect.
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