Answer:
Urbanization has environmental and economic advantages for humans, but also substantial disadvantages, including increased problems with physical and mental health/stress, a modified climate, water and energy management, and air pollution.
They think that people started as a fish and there was a resolution into a bigger fish then into a land creature then into a monkey then into a man. They think that the earth was a little rock at the beginning but then other rocks joined it and it became 1 big planet. But this is just what they think.
Answer:
i want to say 6 but I am not sure
Virus infection domain cell