The answer to the question is B
The answer is C. Adapting to changes in the environment
To be honest, since we live on Earth (assuming you do as well), Earth is the easiest planet to study. We don't know much about the other planets because we've never been to any of them. I believe that the second easiest planet to study is either Uranus or Saturn.
Don’t click the link it’s some kind or tracking I did it don’t do it
