Answer: dataset Z
The genus of aquatic plants known as Elodea is composed of 6 species that are also called waterweeds. Native to South and North America, these plants are very popular in aquariums.
The table in the image presents the stem growth of plant stems in 22 days. In three of the trials, the stems grow constantly. However, in dataset Z the growth reaches a maximum in day 15, followed by a decrease in day 22.
As nothing additional is mentioned in the question about the presence of any possible species that may feed on these plants, this decrease is anomalous. As it is absent in the other trials, it is safe to assume that a measurement error has occurred. Thus, dataset Z has questionable data.
Think about the differences in various soil types. What type of soil or Earth material does the following list of characteristics BEST describe? *Feels smooth *Has moderate amount of air space *Holds water well *Becomes slippery when wet A) clay B) gravel C) sand D) silt
I think it is D due to how much room that soil can hold.
The mentioned characteristics describe clay soil. It is smooth, becomes slippery when wet, has moderate air space and holds water well.
Explanation:The characteristics described in your question are most closely aligned with the properties of clay soil. Clay soil is known for its smooth texture when dry, and it becomes quite slippery when wet. It has a moderate amount of air space, which provides sufficient room for root growth. Clay soil also has a unique feature in that it has high water holding capacity, meaning it can hold onto water more tightly than sand or gravel. This characteristic makes clay soil beneficial for plants that require a consistent supply of moisture.
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This DNA nucleotide is the base-pair for guanine
The answer is purines
which of the following best indicates the sequence of oxygen flow though the parts of the respiratory and circulatory systems?
A. veins, trachea, lung capillaries, alveoli
B. trachea, alveoli, lung capillaries, arteries
C. lung capillaries, trachea, veins, alveoli
D. trachea, arteries, alveoli, lung capillaries
C
I'm kind of sure. good luck
Answer: The correct answer is -
B. trachea, alveoli, lung capillaries, arteries.
Explanation:
During respiration, atmospheric oxygen is taken in through nostril, after which it travels the respiratory route that is nostrils, followed by pharynx, trachea, bronchus and smaller branches of bronchial tree and then into the alveolus.
The oxygen is passed to lung capillaries from alveoli, which is then passed to pulmonary artery that picks up oxygen from lungs and releases carbon dioxide to be exhaled out.
Thus, option B) is the right answer.
how is sanitary landfill different from dump
A sanitary landfill is an engineered site designed to manage waste with protective measures such as liners and leachate treatment, while a dump is an unregulated site that poses environmental risks.
Explanation:How is a sanitary landfill different from a dump? A sanitary landfill is a carefully designed structure built into or on top of the ground in which waste is isolated from the surrounding environment. This isolation is accomplished with a bottom liner and daily covering of soil. Landfills also have systems to manage leachate, which is contaminated water that moves through or drains from a landfill, and to collect and treat landfill gas. On the other hand, a dump is an area where trash is simply deposited and sometimes burned without any measures to protect the environment, leading to problems such as air pollution, smog, and potential groundwater contamination due to absence of linings and leachate treatment systems.
To remain sustainable over a long period of time a forest might have to
A. Remain the same over the long term
B. Remain the same in the short term
C. Change over the long term
D. Change in the short term
Answer:
A
Explanation:
Answer:
D
Explanation:
On the ph scale which of these is the stronger acid
Choose two genetic disorders and tell how they are inherited
1. Two examples of genetic disorders are CYSTIC FIBROSIS AND SICKLE CELL ANEMIA.
CYSTIC FIBROSIS
Cystic fibrosis is typically inherited when a defect occur in the CFTR gene of an individual. The CFTR gene is responsible for production of a protein that regulates the movement of water and salts out of the body cells. This gene does not perform optimally in people who have cystic fibrosis and this leads to the production of thick, sticky mucus and extremely salty sweat. Individuals who have this disease usually inherit two copies of the defective gene, one from the father and the other one from the mother.
2. SICKLE CELL ANEMIA
Sickle cell anemia is a genetic disorder of the blood, which is cause by inheritance of two copies of abnormal hemoglobin from parents. The hemoglobin is responsible for movement of oxygen all through the human circulatory system. The abnormal hemoglobin causes defective red blood cells, which can not move oxygen around efficiently. Thus, individuals with this disease do not usually get enough oxygen in their blood, this leads to fatigue and chronic pains plus several other negative medical conditions.
Which air mass has formed immediately north of Antarctica in the image ??
Maritime Polar
Continental Polar
Maritime Tropical
Continental Tropical
Answer:
Option (1)
Explanation:
Maritime polar air masses are normally characterized by the cool, moisture containing, unstable type of air mass, that are basically found in the higher latitudes, specially near the poles. It is designated as 'mP'.
This air masses also originates from the continental areas forming continental polar air masses over the region of Asia and it further moves in the western direction over the Pacific ocean. During this time of air, it attains the warmth and moisture from the Pacific ocean.
In addition to this, they also originate from the Northern side of the Atlantic Ocean and further move towards the southwestern direction and thereby reaches the Northeastern states.
Thus, in the given image, the air mass forming over the northern side of Antarctica is the Maritime polar air mass.
Hence, the correct answer is option (1).
The term vestigial comes from the Latin word vestigium, which means track or footprint. Explain how this relates to the meaning of vestigal structures
Food handlers are required to do which of the following at work
what is the list of things? food handlers usually have to wear hairnets, gloves and wash their hands often to prevent cross contamination and the spread of bacteria.
Food handlers are required to ; i) Deliver food ii) serve iii) package food iv) store food and v) cooking
Food handlers are workers that come in direct contact with prepared or semi-prepared food during any of the food preparation stages before it gets to the consumer.
Food handlers are required by law to be properly trained in food hygiene procedures to help prevent food contamination before it gets to its consumer. therefore food handlers are expected to obey proper food hygiene rules
Hence we can conclude that Food handlers are expected to do the following as listed above.
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Although the options related to your question is missing a general answer is provided
NEED HELP ASAP
In horses, black hair is dominant, and light-colored hair is recessive. If a white stallion is crossed with a mare that is homozygous for the gene for black hair, what is the probability that ALL of the offspring will have black hair?
100%
50%
25%
0%
100 percent because the white hair is reccesive which means it would be more likely for there grandhorss to have it
good luck
please give me brain liest
hypothesis on food web
does the 1st part start with the sun?
Which of these would help reduce the amount of carbon dioxide produced from your answer from question 1
A). Add a plant to the flask
B). Add a goldfish to the flask
C). Remove a plant from the flask
D). Do nothing else to carbon dioxide will naturally become diluted
A, because plants consume carbon dioxide and produce oxygen
Add a plant to a flask
which statement best explains why cells separate and expel waste.
1 it releases energy necessary for organisms to survive
2 it helps in growth and repair of cells of orgasms
3 it help remove toxins from the body to maintain homeostasis
4 it helps break down glucose into useful energy in plants
I would say the 2nd one It helps growth and repair of cells of orgasms
But your school would probably say the 3rd one It helps remove toxins from the body to maintain homeostasis
Answer:
3. it help remove toxins from the body to maintain homeostasis
Explanation:
Our cells produce a lot of waste that must be eliminated (excreted) from the body. These residues are called excreta. The residues formed from the chemical reactions that take place inside the cells can be eliminated through:
of the respiratory system (carbon dioxide) skin (sweat) urinary system (urine)Our cells expel these substances to maintain the dynamic balance (homeostasis) of our body and promote our well-being.
Why do nitrogen molecules have a bond order of three, whereas oxygen molecules have a bond order of two?
This is because the electron configuration of Nitrogen is 2.5 while that of oxygen is 2.6. This is putting into perspective that the stable configuration for this period of elements is 2.8. Therefore Nitrogen would require 3 electron to reach stable configuration (2.8) while oxygen requires 2. This means that in sharing of electrons in covalent bonds, nitrogen will form three(3) bonds while oxygen will form two (2).
Molecular nitrogen, N₂, has a bond order of three because it consists of two nitrogen atoms triple bonded to each other, whereas oxygen molecules, O₂, have a bond order of two due to each oxygen atom forming a double bond with the other oxygen atom.
Explanation:Molecular nitrogen, N₂, has a bond order of three because it consists of two nitrogen atoms triple bonded to each other. This means that they share three pairs of electrons. This triple bond is very strong, making N₂ fairly inert and difficult for living systems to break apart.
On the other hand, oxygen molecules, O₂, have a bond order of two. Each oxygen atom shares a double bond with the other oxygen atom, which involves sharing two pairs of electrons. This double bond is not as strong as the triple bond in nitrogen, allowing for easier breaking and reactivity.
In summary, the difference in bond order between nitrogen and oxygen molecules is due to the number of bonds they form and the strength of these bonds.
in which process do plants release oxygen?
A. Photosynthesis
B. Percolation
C. Transpiration
D. Evaporation
Photosynthesis is your answer :)))
In the diagram, the top square and circle represent the _____________ generation.
A) F1
B) F2
C) G
D) P
Answer:
p
Explanation:
Answer: P generation
Explanation:
These are the P generation, that is the parental generation that gives rise to subsequent F1 and F2 generations.
Which is the most sustainable practice?
A) Using more wind power
The most sustainable practice is using more wind power.
What is wind power? how it get generated?
When mechanical energy enhances a unit by harnessing wind power, it may be called a windmill, wind pump or wind charger. Wind energy can be used for anything from power on boats, battery charging or electricity to being used commercially.Wind turbines can use excess power to compress air, this is usually stored in large above-ground tanks or in underground caverns. When required the compressed air can be used through direct expansion into a compressed air motor.Using more wind power is the best practice.
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PLEASE HELP!!! This is the act of being responsible while working on a scientific investigation?
Lab Safety
This is the act of being responsible while working on a scientific investigation; following directions, wearing apron and goggles, knowing the location of emergency equipment, etc.
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Which tool enhances weather forecasts by enabling monitoring, which is necessary for predicting global weather and environmental events?
map
satellite
weather balloon
automated weather station
The correct answer is - satellite.
The satellites are something that is crucial for the functioning of the modern day world in pretty much all aspects. They are also very important in the climatology and meteorology. The satellites are able to monitor the whole planet, thus through them it can easily be seen where the air masses are moving, what type of air masses are moving towards where, their speed of the air masses, is there clouds, and if there is where are they moving, formation of large storms etc. ll of these information from the monitoring of the satellites go to the weather stations, where the weather forecasts are made, and than through the media reach the people all over the world.
Answer:
B
Explanation:
satellite
Which statement does NOT correctly describe our sun? A. Our sun is an average sized star B. Our sun is a very old star C. Our sun has an average brightness D. Our sun is yellow-white
C, because the magnitude is -26.74
Final answer:
The incorrect statement about our Sun is that it is a very old star, whereas it is actually a middle-aged yellow dwarf star with average size, brightness, and a yellow-white color, expected to remain stable for about 5 billion more years.
Explanation:
The statement that does NOT correctly describe our Sun is that 'Our sun is a very old star.' Our Sun is not considered to be very old in astronomical terms. Instead, it is a middle-aged star that has been a main-sequence star for about 5 billion years and will remain in this phase for approximately 5 billion more years. The Sun is a yellow dwarf star that is average in size, brightness, and color, described as yellow-white. Comparing a red dwarf and a yellow dwarf of equivalent size, the yellow dwarf will have a greater temperature; the assertion that this is because yellow light has lower frequency is not the reason—temperature in stars is related to the mass and internal processes rather than the frequency of the light they emit.
Polygenic genetic traits follow a _____ inheritance pattern
Answer:
Because multiple genes are involved, polygenic traits do not follow Mendel's pattern of inheritance
Explanation:
hope this helps
Answer:
there u go can u give me brainlist
Explanation:
BRAINLIEST! (AS ALWAYS) Which of these examples describes a structure penguins use for movement?
Question 9 options:
A penguin stands with a group of other penguins when a predator approaches.
A penguin holds an egg under its feathers to keep it warm
A penguin uses sleek, smooth belly feathers to slide on ice
A penguin holds a squid in its bill.
It is the third option. Reason being is because the first one describes what they do when danger approaches and it doesn't say anything about moving. The second one describes what they do to protect their young from the harsh environment around them; no movements mentioned. The fourth one just says what a penguin does but they can be standing when they do it; no mention of any movements at all.
Hope this helps!! :)
Answer:
A penguin uses sleek, smooth belly feathers to slide on ice
As a result of these processes, the single celled organism accomplishes
1)Gamete production
2)energy production
3)sexual reproduction
4)asexual reproduction
Answer:
The correct answer is option 4 (asexual reproduction).
Explanation:
Asexual reproduction is a type of reproduction in which an organism produces genetically identical offspring's to the parents without involving contribution of genetic material of another individual. It is primary form of reproduction for single-celled organisms.
Mechanism of asexual reproduction involves:
1. Nuclear division- marked by the synthesis of DNA and
2. Cytokinesis- marked by the division of the cell into two identical daughter cells.
Asexual reproduction do not involve fertilization, reduction in chromosome and meiosis.
So, exact copies of parent cells are produced with identical genetic material content.
Thus, option 4-asexual reproduction is the correct answer.
As a result of these processes, the single celled organism accomplishes gamete production, energy production, reproduction of both types. All options are correct.
Several critical processes are carried out by the single-celled organism:
Gamete production: Gametes, which are specialised cells engaged in reproduction, are produced by single-celled organisms to reproduce sexually.
Energy production: Single-celled organisms, like all living things, require energy to carry out their biological functions.
Gamete fusion reproduction: Single-celled organisms may reproduce, integrating genetic material from two parents to generate children with distinct genetic characteristics.
Asexual reproduction: Many single-celled organisms may reproduce asexually in addition to sexually.
Thus, all options are correct.
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list the 5 stages of the cell cycle in order
interphase, prophase, metaphase, anaphase and telophase
Final answer:
The cell cycle includes five main stages: Interphase (including G₁, S, and G₂ phases), Prophase, Prometaphase, Metaphase, Anaphase, followed by Telophase and Cytokinesis. These stages ensure accurate DNA replication and division, and are tightly regulated to prevent errors such as those leading to cancer.
Explanation:
The cell cycle is a series of events that cells go through as they grow and divide. A eukaryotic cell cycle consists of the following five stages in order:
Interphase: Comprised of three phases: G₁, S, and G₂, where the cell grows and DNA is replicated.Prophase: Chromosomes condense, and the spindle apparatus begins to form.Prometaphase: The nuclear envelope breaks down, and spindle fibers attach to chromosomes.Metaphase: Chromosomes line up at the metaphase plate.Anaphase: Chromosomes are pulled apart to opposite poles of the cell.After these stages, Telophase follows with the decondensation of chromosomes and reformation of the nuclear envelope, and then the cell division completes with Cytokinesis, where the cell actually divides into two separate cells.These stages ensure that the cell's DNA is accurately replicated and divided between two daughter cells. Close regulation, through checkpoints, is crucial for the proper functioning of the cell cycle, and its dysregulation can lead to uncontrolled cell division, such as cancer.
Match the object with its characteristic
Moon: Not magnetic
Compass: Permanent Magnet
MRI: Not Magnetic
Answer:
The correct matches are:
Moon: Not magnetic
Compass: Permanent Magnet
MRI: Not Magnetic
Explanation:
Moon does not show any type of magnetism as it is not magnetic. Compass has a permanent magnet in itself. The north pole is indicated by the north pole indicator in the compass. Its needle is a free moving magnet that aligns according to the north pole.
MRI is a scan that uses strong radio waves and magnetic fields to provides fine images of inside the body. It contains two large tubes of electromagnets.
Thus, the correct answer is Moon- Not magnetic
Compass- Permanent Magnet
MRI- Not Magnetic
Which of the following is a source of carbon dioxide in the atmosphere?
factories
plants
sunlight
animals
Answer:
The answers are Factories, Plants, and Animals. (not sunlight)
Explanation:
The source of carbon dioxide in the atmosphere is Factories, Plants, and Animals.
What is carbon dioxide?Carbon The main source of the increase in dioxin concentrations is the combustion of fossil fuels for energy. We are adding carbon to the atmosphere in only a few hundred years that plants removed from the atmosphere through photosynthesis over many millions of years in the form of fossil fuels like coal and oil.
Annual emissions from burning fossil fuels have increased steadily every ten years since the middle of the 20th century.
Experts on the carbon cycle estimate that over the decade from 2011 to 2020, natural "sinks"—processes that take carbon from the atmosphere—on land and in the ocean absorbed the equivalent of nearly half of the carbon dioxide humans released annually.
The amount of carbon dioxide in the atmosphere rises every year because we release more carbon dioxide into the atmosphere than natural processes can absorb.
Therefore, The source of carbon dioxide in the atmosphere is Factories, Plants, and Animals.
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A few drops of milk are added to a glass of water, producing a cloudy mixture. the water is still cloudy after standing in the refrigerator for a week what is this mixture called?
Homogeneous mixture
Using the table, which statement is true?
Question 12 options:
Organisms in both Groups A and B have similar mechanisms for controlling their internal temperatures.
Organisms in Group A have fewer mechanisms for controlling their internal temperatures than those in Group B.
Organisms in both Group A and B usually coexist peacefully.
Organisms in both Group A and B are extinct species.
Your answer would be B.
Answer:
It is B : Organisms in Group A have fewer mechanisms for controlling their internal temperatures than those in Group B.
Explanation:
Identify the properties of heat as it relates to the molecules within a body
At the molecular level, the heat comes from the agitation of the molecules and therefore their atoms. This increase in agitation causes the molecules to be less condensed between them and will separate after breaks in the intermlecular bonds. This distends the material, as we see when we heat a metal, or a transformation of the phase of the material, such as melting ice or boiling water.