Answer:
b
Explanation:
part of the nitrogen cycle
Denitrifying bacteria turns nitrogen back into nitrogen gas. The correct option is A.
What is nitrogen fixation?Any natural or artificial process called nitrogen fixation causes free nitrogen, a relatively inert gas present in large quantities in the atmosphere, to chemically interact with other elements to generate more reactive nitrogen compounds like ammonia, nitrates, or nitrites.
Chemically, nitrogen fixation transforms atmospheric nitrogen into ammonia, which is ingested by living things.
In essence, nitrogen fixation transforms atmospheric nitrogen into a form that plants can use more easily.
Nitrate is transformed back into nitrogen gas by denitrifying bacteria, which then reenters the atmosphere. Runoff and fertilizer-related nitrogen enters the ocean, where it interacts with marine food webs.
Thus, the correct option is A.
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1. An ecosystem is best defined as a community of living things interacting with the ________ environment
Answer:
Explanation:
non living thing
True or false. A complex machine is 2 or more simple machines working together.
1. False
2. True
Answer:
its true
Explanation:
i got it right
A group of parts that work together is callede. A. Technology.
B. process
C. system
D. feedback help me please
Answer:
C i think
Explanation:
based on the information in the table, which type of oil is the worst for a healthy lifestyle
Answer:
coconut oil
Explanation:
Which sequence shows a decreasing level of complexity?
a. Organs -> organism -> cells -> tissues
b. Organism -> cells -> organs -> tissues
c. Cells -> tissues -> organs -> organism
d. Organism -> organs -> tissues -> cells
Answer:
D organism, organs, tissues, cells
Which of the following is not an extinct species?
A. Dodo
b. Bison
C. Sikkim stag
D. None of these
Answer: The answer is Bison
Answer:
Option B and C
Explanation:
Sikkim Stag is an endangered species
some species of the Bison are extinct
An engineer made a model of a ship to help him think about how it works ha made sure that some characteristics of the ship were accurately represented but he did not include all of the ships characteristics in his model is it okay that he ignored some of the ships characteristics
Answer:
Yes it is ok
Explanation:
This usually depends on what the engineer is trying to accomplish or learn. For example, if the engineer is simply trying to understand how the architecture floats or cuts through the water then he does not need to model the engines or other unnecessary characteristics. On the other hand, if the engineer wants to understand how the engine provides power to the entire ship then he would need to model the engine and all the connected parts but not the outer exterior of the ship. Therefore, it is ok that he did not model the ship completely as long as it provides the information needed.
Deforestation causes an increase in the atmospheric concentration of which greenhouse gas?
A fluorine
B methane
C nitrous oxide
D carbon dioxide
Answer:
i think its carbon dioxide.but not sure
Explanation:
remembering from like 3 months ago
Answer:
D. Carbon Dioxide
Explanation:
It is D. because trees absorb carbon dioxide and release oxygen into the air. So with out the tree's the Carbon Dioxide levels increase because there is nothing to absorb it.
can i have a brainliest?
What happens in a chemical reaction? A. Substances change in appearance but do not in chemical composition. B. Substances change from solid to liquid or gas. C. Substances interact to form one or more new substances. D. New atoms are created or destroyed. Other:
Answer:
Choice C
Explanation:
Chemical reaction is basically when one or multiple substances would form into one or more new substances.
Which cell has both a cell wall and a cell membrane?
please answer quickly its urgent
Answer:
Plant Cell
contains both
Which of the following is true about DNA?
O Adenine pairs with thymine, cytosine pairs with guanine
Adenine pairs with guanine, cytosine pairs with thymine
There are no base pairing rules in DNA. It does what it wants.
Adenine pairs with cytosine, thymine pairs with guanine
Answer:Adenine pairs with thymine, cytosine pairs with guanine
Explanation: im sure this is the answer 100% pls mark brainliest!
Answer:
Answer: Adenine pairs with thymine, cytosine pairs with guanine
Explanation:
A ---> T
C ---> G
A acrostic poem for “Cell Theory”
C - Classified as one of the smallest parts that together formed all living
E - Each one made out from division
L - Living biological structure found in a
L - Living organism that is also created
S - Surely every individual is aware of that
C - Compartments seem by Hooke
E - Every organism's building blocks
L - Life's processes carried out within
L - Little factories for protein
Don't expect too much on this answer because I'm bad at biology :/
Answer
use the information youhave about the cell theory and put it into a poem
Explanation:
which of the following will dissolve in water
a.oil
b.salt
c.alcohol
d.sand
Answer:
Salt will dissolve in water
Answer:
salt will dissolve
Explanation:
so if you put salt in water you notice the water changeing and its desloving just like how laxatives work like if you put powder in and stir and lay it down for couple mins it's clear and dissolved
Which health issue can be caused directly by a mutation resulting in a continuously growing and dividing cell?
Which statement about lunar eclipses is false?
a. They can be seen from any place with a view of the moon.
b. They cause the moon to disappear completely.
c. They occur at least twice a year.
d. They may last for hours.
Answer:
Answer is B
Explanation:
You are seeing the moon during a lunar eclipse. How could it disappear.
7. a) Protein molecules are the building blocks of the body. They are made up of long chain
amino acids. Draw the general structure of an amino acid. (1 points)
HINT: Think about the carboxyl group, amino group, and side chain
Answer:
....................
Explanation:
Except for water as well as fat, this same human species comprises essentially completely composed of protein.
Proteins are generally made up of some acids such as Amino, which have been tiny chemical compounds made up of either an alpha carbonyl group coupled to something like an amino group, a carboxylic acid group, another hydrogen ion, as well as a response to changes known as nothing more than a chain length.Muscles contain around 80% proteins, eliminating fluid, trying to make essential nutrients extremely vital for athletes.
Thus the above response is appropriate.
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What is a benefit to computational thinking
Answer:
It's not all about computer science
Explanation:
what is the relationship between heart rate & respiratory rate (impact on oxygen, carbon dioxide & energy levels)
help me please asap??? :$
Answer:
A. To make more body cells. like skin cells or liver cells for example.
What is substance in science?
Answer: A substance is matter which has a specific composition and specific properties. Every pure element is a substance. Every pure compound is a substance. Examples of substances: Iron is an element and hence is also a substance.
Explanation:
sub·stance
a particular kind of matter with uniform properties.
"a steel tube coated with a waxy substance"
Similar:
material
matter
stuff
medium
Collisions between molecules cause diffusion.
True or false
If false then what does cause diffusion
Answer:
True
Explanation:
The collisions between the particles cause them to spread out and move away from each other.
Which organelles work together to provide a plant cell with structure and
support?
A
the cell wall and large central vacuole
B. the cytoskeleton and cell membrane
C
the cytoskeleton and nucleus
D
the cell wall and chloroplasts
OU
Answer:
d the cell wall and chloroplasts
Explanation:
How do the molecular formulas for all the amino acids differ?
The molecular formulas for all the amino acids differ - the R group or side chain.
Each amino acid has the same molecular structure with a central carbon atom, the alpha (α) carbon, bonded to an amino group (NH2), a carboxyl group (COOH), and to a hydrogen atom.
Each amino acid is exactly the same except for the R group. little side chain represented by the will be different depending on the kind of amino acid.For example, glycine has a hydrogen atom as its R group, whereas alanine has a methyl group (CH3).Thus, the molecular formulas for all the amino acids differ - the R group or side chain.
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Who was affected with mercury poisoning ?
people who take in to much Mercury then get mercury poisoning
Which of the following is a molecule when broken down to a simple particle?
O gold
O nitrogen
O water
O francium
is trypsin coagulates
the milk protein
Answer:
Trypsin coagulates the milk protein casein.
which three terms relate to sexual reproduction but not asexual reproduction
A mitosis
B gametes
C sperm
D meiosis
Answer:
gametes, sperm and meiosis
Answer:
b, c , and d
Explanation:
1. Which of the following is not caused by deforestation?
A. Climate change
B. Desertification
C. Global warming
D. None of the
earth can support the survival of organisms.what is/are the factory/s that make/s earth habitable?
Answer:
The factors that make Earth support the survival of organisms are it's correct distance from the sun, the Earth is protected by solar radiation by it's magnetic field, stability of it's warm atmosphere, availability of some chemical composition that support life like oxygen, water, nitrogen e.t.c., proximity of the sun in allowing the passage and flow of water, the shape and size of the Earth as Rocky planet e.t.c.
Explanation:
Earth is the planets that support the survival of living organisms and this is because of the following factors that support the existence of life and these factors includeit's correct distance from the sun, the Earth is protected by solar radiation by it's magnetic field, stability of it's warm atmosphere, availability of some chemical composition that support life like oxygen, water, nitrogen e.t.c., proximity of the sun in allowing the passage and flow of water, the shape and size of the Earth as Rocky planet e.t.c.
It's correct distance from the sun makes it's to have stable temperature i.e not to hot and not too cold. With the temperature, living organisms can survive and live.
Earth is protected from solar radiation by ozone layer and it's magnetic field. This layer hinders the penetrations of some harmful Ray's it radiations that can damage it destroy living organisms.
It's allow water flow and water is essential for life . It is useful for plants for growth , photosynthesis and germination. Water is essential for animals because, it's aids digestion and metabolic processes.
Earth's atmosphere have right composition of chemicals that support life and these chemicals include oxygen, nitrogen, carbon, water e.t.c.
For example oxygen is important for respiration which releases energy to perform cellular activities.
Why do the winds appear curved above the surface of the Earth?
Answer:
Because the Earth rotates on its axis, circulating air is deflected toward the right in the Northern Hemisphere and toward the left in the Southern Hemisphere. This deflection is called the Coriolis effect. Click the image for a larger view.
Explanation:
