Answer:
A. Volcanic ash falls to the ground and adds minerals to the soil,
making it rich for plant growth.
Answer:
if a answer is virus or some sort of bacteria, the thata it
Answer: Option B,C, E and F
Explanation:
Action potential describe rise or fall of membrane potential of a particular cell location. This happen when neuron send impulses away from cell body. During action potential, one of the neural membrane opens so as to allow positively charged ions inside the cells and negatively charged ions to move outside the cell.
Answer:
Both aristotle and ptolemy models stated that the planets rotate on their axis. Both models stated that the planets and objects in the solar system have small orbits called epicycles. The both persons are stated that the sun is the center of the system around which objects have elliptical orbits.