As many time as needed . Scientist conduct more than one test when testing a <span>hypothesis.</span>
H2O hzhjxjdhdjjdhdhhd i guessed sorry it might be wrong
<span>If the hydrogen pump protein in photosystem II does not move enough H+ ions into the thylakoid there will be a decreased in the production of ATP and a decrease in the production of NADPH.</span>
Answer:
The sun
Explanation:
The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers, such as plants and algae, use energy from sunlight to make food energy by combining carbon dioxide and water to form organic matter. This process begins the flow of energy through almost all food webs.