The tilt of the Earth is what causes the seasons...In the summer, the northern pole is pointed closer to the Sun giving the northern hemisphere more daylight hours. The opposite is true during the winter.
Melting because you can physically see it.
the Pacific, Atlantic, Indian, Southern, and Arctic.
I hope this helps please mark me as brainliest;)
There are 4 factors for evolution: mutation, gene flow, genetic drift, and natural selection. Natural selection is the strongest