Answer: 1, 3, and 4
Explanation: i just did it
Answer: C the study of living things
Explanation:
Don't take my word for it but I think it is
1: proteins
2: energy from the sun, carbon dioxide, and water
3: this one is confusing me but I think it would be nutrients from food and oxygen
4: water
Again these are attempts I can't prove these
Some of the muscle attached to the skeleton is voluntary and may be used for movement.
Answer:
they are single cells that lack a nucleus and tend to live in extreme conditions.- B.