This is a canyon in Iceland. How did it most likely form. A) Plant roots weathered soft rock, turning it to soil. B) Gravity caused sediment to erode upstream. C) Flowing water weathered and eroded the riverbed. D) Blowing wind deposited sediments on the riverbank.

Describe the change in phase and temperature as water moves from the oceans to the atmosphere and then returns to earth again as rain. a) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature decreases b) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature increases c) evaporation : temperature decreases; condensation : temperature decreases; precipitation (rain) : temperature decreases d) evaporation : temperature increases; condensation : temperature increases; precipitation (rain) : temperature decreases