Which is (summer, winter, fall, spring) please please help if you know! (14 points given)

1.Spring 2.Fall 3.Winter 4.Summer

Explanation:

I think this is right because the tilt of the Earth means the Earth will lean towards the Sun (Summer) or lean away from the Sun (Winter) 6 months later. In between these, Spring and Autumn will occur. The Earth revolves around the Sun. ... The Earth's movement around the sun causes the seasons.

I hope this will help, but if you feel unsure of my answer the explanation will probably point to the correct answer.

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.