Elastic and gravitational
hope this helps!:))
Answer:
The answer is the tilt of the earth affects how directly the sun's rays hit different parts of the earth.
It would be C but its been a while since i took this class so sorry if im wrong but im 80% sure its C
We have seasons because the earth is tilted as it makes its way around the sun. So its always pointed in one way at the sun, causing different asmophere as we go around the sun.
I would say the first one a comet. :)