Answer:b
Explanation:
It will only be found in some cells because when a mutation is formed it will most likely not be able to spread
Nitrogen is not a product of photosynthesis
A
addition mutationadeition mutation
so its A
When the upper water layers warm in the summer months, they become separated from deep water by a transition zone known as a thermocline. In a thermocline, the temperature decreases rapidly with small increases in depth. This phenomenon linking temperature change with depth is called temperature stratification.