A scientis could see the DNA and probably not know the exact age but a close guess to how old he is
Answer:
a variable (often denoted by x ) whose variation does not depend on that of another.
Explanation:
The answer is water, oxygen, and chemical energy are required, and ATP is changed to ADP.
Photosynthesis occurs in the leaves of green plants. During photosynthesis, carbon dioxide and water are converted into glucose and oxygen using the energy of sunlight. Sunlight energy is converted into chemical energy stored in carbohydrates. For this process, ATP is used and, thus, changed to ADP.