Answer:
Answer in order: C, A, B
Explanation:
But I'm not the brightest at this subject, but what I did is just observed what I thought the answers were thoroughly by using the keywords and letters and then matching them together to make sense. I remember doing this, but let me know if it's wrong!
Answer:
Cell,tissue,organ,organ system
Explanation:
I already took this test
Physical chemists study matter and energy, and there is chemical reactions in your body, and all living things have elements, like carbon.
I would say D