If there was no gravity the rocks will have no where to drop off because gravity is what holds down everything, so there would be no build up of land.
All river water comes from melted ice from mountains near them, so the time of year to temp. change depicts how much ice is melted into the river banks.
It is either the thermal effect, the greenhouse effect, global warming, or radiation balance.

^^
Plus, I am trying to finish all my work.
And I don't know, that I will be having a spring break.
But- Thanks for your kind words, in here! ^^


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b. small buisnesses find it harder to compete