The answer you are looking for is called Serotonin. Please put this as the brainiest answer thank you and hope this helped.
Answer:
protons..................
He had no proof to back up this theory and was rejected by the scientific community. People only found evidence after he died. Please make me brainliest
Answer:
In order, from least complex to most complex:
cells.
tissues.
organs.
organ systems.
organism.
Explanation:
Answer:
2.5
Explanation:
3.5/(7/5)=2.5 hope this helps
