Answer:4.is Igneous 5. is metamorphic 3. is sedimentary
Explanation:
Answer:
Serotonin is an important chemical and neurotransmitter in the human body. it is believed to help regulate mood and social behavior, appetite and digestion, sleep, and memory
Answer:
a human can stay up to 79 years
Answer:
C
Explanation:
I think ATP is energy and the cells get that after cell respiration. And we breathe out Carbon dioxide
Answer:
pollution doesn't nessairly stay in the atmosphere, it is moved throughout the atmosphere and can be removed by a natural process.