The study of chemical reactions of living this is called biochemistry.
Answer:
b
Explanation:
The answer is B becuase "where do people buy tools is not a scientific question, and neither is C.
Answer: Plants do both photosynthesis and cellular respiration.
Explanation:
All cells do cellular respiration even without light.
Honestly, photosynthesis alone would be right since the teacher didnt state the questions correctly. But you should choose both cause in the light it does both.
C. because stimuli is how your body responds to something, and in this case, someone's heart rate increases WHEN their blood oxygen drop. Do you see how it responds? ;-)
