What is an energy pyramid

From each trophic stage in an ecosystem, a pyramid of energy reflects how much energy, originally from the sun, is retained or deposited in the form of new biomass. Around 10% of the energy is typically passed from one trophic level to the next, preventing a large number of trophic levels from forming.

Explanation:

example:

i believe it would cause an increase of percipitation, though i could be wrong. so i would say b is the answer.

c. the initial amount of money placed in the savings account