Pls help I don't understand

I think its C.

Explanation:

A is incorrect because it says sunspot increases with time and that' false, it's decreasing from 1650 - 1700.

B is incorrect because it says earth tempreature increases every year, as you can see sometimes it decreases

D is incorrect because it's not clear whether climate is changing every 5 years or not

bc blah

explanation:

bc blah

the water is warmed up by the sun and then it evaporates into the atmosphere. the sunlight warms the water by its heat. water is then cooled down and condensation takes place. the water then finally returns back to the earth by the process of precipitation in the form of rain or ice.

explanation: