When we're eating food, the different food stuffs need to be broken down from big molecules to smaller ones. This happens through different processses which happen in our body. For this reason, the larger molecules need energy to be broken up into smaller ones and when these happens these smaller ones get then taken up in our body and used up.
Scientific law.
A scientific law describes something in nature and predicts how it will behave without explaining.
This is because before a scientific law has been made, numerous observation has been done under different situations. The scientific law is established when a natural event invariable occur given a set of circumstances.
Answer:
Explanation:
chemical energy
The overall purpose of the light-dependent reactions is to convert light energy into chemical energy. This chemical energy will be used by the Calvin cycle to fuel the assembly of sugar molecules. The light-dependent reactions begin in a grouping of pigment molecules and proteins called a photosystem.
