Answer:
The answer is the first option.
Explanation:
Farming emerged because being a nomad was no longer suitable for increasing population size. Farming allowed people to stay in one place and properly feed their families, which was a definite positive impact on population size.
Answer:
conduction convection and radiation
Explanation:
I think
Answer:
I read about this earlier im pretty sure its The "They need oxygen" part
Explanation:
:)
It might be an ecosystem
Hope this helps