The variables in a study of a cause-and-effect relationship are called the independent and dependent variables. The independent variable is the cause. Its value is independent of other variables in your study. The dependent variable is the effect.
I would say C) is warmer than the north and south poles
Answer:
Hmmm i tied between A and C because they both seem correct but since C sounds a little off ima say A
Explanation:
Because it allows them to breathe and function.