Only 1- the experiment can not show a cause and effect relationship if there are more than one factors contributing to the outcome.
Answer:
my best answer is b due to logic if not then d
Explanation:
Answer D. Because the DNA is different
Answer:
Mutualism
Explanation:
both humans and plants benefit from it because we breath out carbon dioxide
The light reactions use the reactant water from the equation and release the product oxygen.
