The anwser should be B. Nonrenewable resources generally have a higher impact on the environmental than renewable resources.
When a nerve impulse reaches the end of an axon, the axon terminal released ACh into the synaptic cleft. 2. ACh diffuses across the cleft and attaches to the ACh receptors on the sarcolemma of the muscle fiber. 3. ACh binding triggers electrical events that ultimately generate an action potential.
Answer:
a layer or a series of layers of rock in the ground. ,
a level or class to which people are assigned according to their social status, education, or income.
Explanation:
A Organism, but I would say Multi Cellular Organism instead of just organism because a Unicellular organism only has one cell, and all higher levels are made of multiple cells