Natural variation provided the phenotypes that natural selection then acted on, over time causing evolution
Answer:
2) B
3) D
I believe that these are the answers, I hope this helps!
Answer:
D
Explanation:
An infection is when something invades your body, therefore, you are infected with micro-organisms making it D.
Answer:
Urban explosion would be a concern in regard to environmental science because of two major things.
Explanation:
There is the amount of space the growing cities will take up that takes away from the environment, and the pollutants the cities produce.
Hope This Helps :)
Melina B.
