Hope this helps, if not then I’m sorry
The correct answer would be D. The oceans of earth doesn’t have anything to do with the surface of the earth except affect it. The definition of geography is the study of the physical features of earth, it’s atmosphere, and of human activity
Equator - its degree is 0 degree
Warm land has now sufficiently heated the overlying air, so that cooler air over the ocean is now moving onshore as a sea breeze.