3 because the prefix, an, means without or not and aerobic means oxygen. We also learned this in bio too lol. Hope this helps!
Answer:
Complex brain.
Explanation:
The cranial capacity of Homo sapiens are responsible for their successful adaptation on earth. They have the cranial capacity of around 1400cc.
The major environmental conditions has changed but the complex human brain has helped him to sustain and understanding the nature. Humans are successful to sustain on this earth due to their complex brain.
I think it is organic compounds
Cells are usually what teachers teach as the “building blocks” of life.
hope that helps :)
