There is a grand total of 196 countries in the world. Hope this helped.
I'm pretty sure some they are People adapt to their environment, changes to the earths enviroment can be benificial, Changes to the earth environment can be harmful, people change their environment, I'm sorry if I'm wrong on some of these. I hope this helps also :)
Answer:
Hypothesis
Explanation:
I will answer this later but hope that the answer helped you
Answer:
Glacier weathering
Explanation:
That would be water weathering in the form of Ice, glaciers.