Answer:
is letter C
Explanation:
because trees and plants use carbon dioxide in the photosinthese transforming it in oxygen and gluten by that being able to reduce the amount of carbon in the atmosphere
When an olfactory receptor is stimulated, a generator potential must be produced by the receptor <span>before it signals the brain that a change has occurred.
In order to reach the threshold of the cell, a graded potential must be generated by the neuron of </span><span> the olfactory receptor. At threshold, an action potential will be generated, referred to as the generator potential. The brain then receives this generator potential in order to decode it.</span>
It is "preserved" by sediments. (C)
<span> Differentiation occurs numerous times during the development of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types.</span>