Answer:
A. Fast growing crops, heavy rains
Explanation:
Fast growing crops will increase soil nitrates, while heavy rains will decrease soil nitrates.
Cell membrane separates cell from external environment whereas nuclear membrane separates nuclear environment form cell itself.
There is Nucleoplasm as a fluid under the nuclear envelope whereas cytoplasm under the cell membrane
Answer: C
Explanation: Makes the most sense bc refraction is the bending of light
By definition, if the DNA of a cell undergoes a spontaneous mutation, is not due to <u>exposure to radiation.</u>
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Spontaneous mutations are derived from various sources, which include mistakes made all through the replication of undamaged template DNA, mutagenic nucleotide substrates, and endogenous DNA lesions.
Spontaneous mutation, also referred to as background mutation can be defined as genetic modifications that arise inside the absence of mutagens and haven't any recognized reason.
It is able to result from sports of a normal cellular, including mistakes or errors during DNA replication.
Learn more about mutations here: brainly.com/question/17031191
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About 71 percent of the Earth's surface is water-covered, and the oceans hold about 96.5 percent of all Earth's water. But water also exists in the air as water vapor, in rivers and lakes, in icecaps and glaciers, in the ground as soil moisture and in aquifers, and even in you and your dog.
