Answer:
a substance that has a ph level less than 7
Explanation:
But what is the question are you like not sure about it or what
In the start of the light cycle, light-dependent reactions harness energy from the sun in order to create chemical bonds. These bonds are known as ATP and NADPH. These are the molecules that carry energy which are made in the stroma. The stroma is where the Calvin cycle takes place.
The major organ of the circulatory system that causes blood to flow through the body by its pumping action is the heart.
