Light, and thermal(heat) energy is needed.
The energy necessary to initiate a chemical reaction is called "activation energy."
Absorption is necessary for energy storage
Energy is necessary for things to happen
Explain why energy is necessary to chemical reactions, and describe some common sources of energy.
Explain why energy is necessary to chemical reactions, and describe some common sources of energy.
The same use of energy that is used to bring necessary materials into a cell.
activation energy
That is light energy. Source is the sun
To get energy and to be healthy.
Your Mothers! Bobby
The necessary energy is 10 000 kcal.
Cells get energy by taking in nutrients from food.