Answer:
it's water molecules
Explanation:
Polar bonds are intermediate between pure covalent bonds and ionic bonds. They form when the electronegativity difference between the anion and cation is between 0.4 and 1.7. Examples of molecules with polar bonds include water, hydrogen fluoride, sulfur dioxide, and ammonia
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Salt marshes, mangroves, and seagrass beds absorb large quantities of the greenhouse gas carbon dioxide from the atmosphere and store it, thus decreasing the effects of global warming. ... Carbon sequestration — the process of capturing carbon dioxide from the atmosphere, measured as a rate of carbon uptake per year
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what’s the acceleration of an object with 1 kg and 1 N?
Answer:
What is the acceleration on an object with a mass of 1 kg if a force of 1 Newton is acting on it? 1 Newton = 1 kg • m/s2 One Newton is defined as the amount of force required to give a 1-kg mass an acceleration of 1 m/s/s.17
who is well known for his theory of evolution
Answer:
Charles Darwin
4 points
Living organisms have different levels of organization. Which of the
following lists the levels of organization from lowest to highest (smallest to
largest)? *
organ system -> tissue -> organ -> cell
cell -> tissue -> organ -> organ system
organ system -> organ
R
tissue -> cell
cell -> organ -> tissue -> organ system
O
4 points
Explanation:
cell -> tissue -> organ -> organ system
when not engaged in the processes leading to cell division, how many chromosomes from your mother are present in the nucleus of each of your somatic cells?
Answer: the answer is
23
what would be the independent, dependent, and control variable to how coral dies? (100 points)
Answer:
in the explanation
Explanation:
The independent variable would be us humans polutling the ocean with oil and other plastics destroying the coral reefs. The dependant variable is an abbrasive species of fish becoming overpopulated and killing all the fish that help the coral grow causing the coral to die. (independant variable basically means humans tampering with it causing the problem. dependent is naturally occuring humans cant control whether a fish overpopluates or not thats natural)
In an energy pyramid only about
of energy is transferred from one level to the next
get the most energy, while
consumers get
the least. This is because organisms use the energy during growth, metabolism, and cellular processes, much of the energy is lost in in the form of
Answer:
Heat
Explanation:
Energy that is not use in an ecosystem is eventually lost as heat. Energy and nutrient are passed around through the food chain, when one organism eat another organism any energy remaining in a dead organism is consumed by decomposes.
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cellular respiration
Explanation:
A
Which molecule binds NMDA receptors and prevents the flow of ions at resting and hyperpolarized membrane potentials
Answer:
it is in the cell
Explanation:
Which scientist was the first to use the term cell to describe what he saw under the microscope?
Answer:
Scientist Robert Hooke
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New genetic combinations are a result of
a. Nondisjunction
b. Crossing over
c. accidents
d. all of the above
Answer:
Explanation: D
Seedless plants grow from __________?
I need an answer for an 7 or 8 grader
Seedless vascular plants are plants that contain vascular tissue, but do not produce flowers or seeds. In seedless vascular plants, such as ferns and horsetails, the plants reproduce using haploid, unicellular spores instead of seeds.
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mendel’s law of segregation states that the two alleles for each gene separate during gamete formation. during which stage of meiosis do the alleles separate?
The stage of meiosis at which the alleles separate is anaphase. The correct option is B.
What is meiosis?Meiosis is a type of cell division of germ cells that produces gametes such as sperm or egg cells in reproducing organisms through gametes.
It entails two rounds of division, resulting in four cells with only one copy of each chromosome.
Meiosis 1 separates a pair of homologous chromosomes and converts a diploid cell to a haploid cell. It is divided into four stages: prophase, metaphase, anaphase, and telophase.
The homologues are pulled apart and moved to opposite ends of the cell during anaphase I.
The sister chromatids of each chromosome, on the other hand, remain attached to one another and do not separate. Finally, in telophase I, the chromosomes arrive at the cell's opposite poles.
Thus, the correct option is B.
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Your question seems incomplete, the missing options are:
Metaphase.Anaphase.Prophase.Embryo formation.a. both
b. neither
c. the inside of the cell
d. the beaker
Answer:
c
Explanation:
po ang tamang sagon po
mixture
7. Explain the following: All compounds are substances,
but not all substances are compounds."
Answer:
Below
Explanation:
"All compounds are substances, but not all substances are compounds."
In simpler terms, let us use an example. Look at the image below.
In a big circle, there are substances. And in the small there are compounds. Since the compounds are inside the big circle, they are compounds, but as you can see, the substances are not inside the compounds so they cannot be considered compounds.
If you think about it, a substance is anything. So would you think a bottle, for instance, is a compound? A compound is a mixture of molecules. And a substance is most likely a combination of atoms, which are elements.
Use examples to explain how the geosphere interacts with two other of Earth's spheres. Explain the interaction for each using complete sentences. HELPPPP
Answer:The interaction between Geosphere, atmosphere and hydrosphere: Geosphere interact with various spheres of earth and help in various cycles of element and performing different processes. One of the examples of such interaction is the geosphere interacts with the atmosphere and hydrosphere when a volcano erupts.
A volcano is a structure or the part of the geosphere which releases lava and particulate matter into the atmosphere where it plays a role as a center particle or nuclei for the water droplets which is come down into river and land in the form of rainfall which is a part of the hydrosphe
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how does the shape of molars helps them carry out their function.
Answer:
Since molars have a large flat surface, that surface makes it easy to carry out their function of grinding, tearing, and crushing food.
Explanation:
10. What are the products of aerobic respiration? نقطة ŮاŘŘŻŘ© a. Carbon dioxide and Water b. Glucose and Oxygen c. Glucose and Water d. Carbon Dioxide and Oxygen.
Answer:
a) Carbon dioxide and water
Explanation:
The reaction is called aerobic respiration, and it produces energy which transfers to the cells. Aerobic respiration makes two waste products:carbon dioxide and water.
what type of carbohydrate is created by photosynthesis?
Answer:
glucosePhotosynthesis requires sunlight, carbon dioxide, and water as starting reactants (Figure 5.5). After the process is complete, photosynthesis releases oxygen and produces carbohydrate molecules, most commonly glucose.
Photosynthesis (Where does the electron that is excited by light is taken). What is the source of the electron, where does it end up?
Answer:
The source of the light electron is the sun and it is taken in by the chlorophyll contained in the chloroplasts.
Explanation:
A sieve is a container with a mesh or perforated bottom. What is the most common use for a sieve? A. to steam cook chemicals in the lab B. to store liquid substances C. to allow gases to escape from reactions D. to filter larger particles out of a mixture
Answer: D
Explanation: Sieves are used to separate the solid smaller particles from a mixture. They are usually made of metal or fine plastic mesh, with openings between the wires that are sized according to the sizes of the desired particles in the mixture. Dried foods such as beans and rice are separated by using screens with openings of different sizes, small for whole grains, larger for cracked grains. Other kinds of products which require separation may be filtered through sieves, including sugar mixtures before they are packed or bottled.
Plants from two different true-breeding P generation lines are crossed to one another and produce offspring. These offspring are allowed to self-fertilize, which results in production of the:
Answer:
F2 generation
Explanation:
What are the two things that the mitochondria need to take in for Cellular Respiration to occur?
A. Sugar (glucose) & Oxygen
B. Carbon dioxide, Water, & Energy
C. Neither of these is true
Answer:
Oxygen and glucose are both reactants in the process of cellular respiration (option A)
Explanation:
Oxygen is needed to help in the process of transforming glucose into ATP.
Pith is composed of ______. Multiple choice question. companion cells sclerenchyma cells collenchyma cells parenchyma cells
Answer:
parenchyma cells
Explanation:
which of these neurotransmitters does not bind to a plasma membrane receptor?
What is the blood vessel that shunts blood from the pulmonary artery to the aorta during fetal life called
Answer:
the ductus arteriosus . I hope this helps you
a red onion cell has undergone a change, as represented in the diagram below. This change is most likely due to the cell being placed in...
A red onion cell placed in a saline solution will lose water when water moves from the cell to the surrounding hypertonic medium via osmosis, causing the cell to shrivel up.
What is osmosis?The passage of solvent molecules from a lower concentration solution to a higher concentration solution across a semipermeable membrane. It is a passive process that occurs without the use of any energy.
Solvent molecule transfer proceeds from low to high concentration regions until the concentrations on both sides of the membrane are equal.
What are the types of osmosis?An isotonic solution contains the same solute concentration both within and outside the cell.A hypertonic solution has a larger solute concentration outside than inside the cell.A hypotonic solution contains a larger concentration of solutes inside the cell than outside.Thus, we can conclude that when a red onion cell is placed in salt water.
As we can see in the diagram the onion cell shrink which means it is placed in salt water which is a hypertonic solution.
So, option (3) salt water is correct.
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The oldest living plants are __________. Your text describes one such plant,that is more than __________ years old.
Answer:
the oldest living plant is seagrass colony
Explaination:
The plant is over 100000 years old