Its not c the correct answer would be the second on.
Answer:
It is most likely C
Explanation:
People get sick and maybe the twin/sibling has a medical condition that may interrupt the experiment.
Answer:
A) The products of photosynthesis are the reactants of cellular
respiration.
Explanation:
Photosynthesis converts carbon dioxide and water into oxygen and glucose, so that cellular respiration converts oxygen and glucose into water and carbon dioxide.
D. Cross braces this is the right answer