Question

At which of the following points during the carbon cycle is energy transformed from chemical to mechanical energy?

A- when stored energy is released as heat.
B- when ATP molecules are used to fuel movement
C- When carbon dioxide is converted to glucose
D- when fossil fuels are burned releasing carbon dioxide

Answer 1

B) When ATP molecules are used to fuel movement.

Answer 2

When ATP molecules are used to fuel movement and growth of plants and animals that the point where the chemical energy are transformed into chemical energy. ATP are formed during the process of photosynthesis which is still part of storing chemical energy.