rocks interacting with wind and moving water over long periods of time causes weathering
if_rock is very_hot_can_melt. weathering is not becoming. bouldering is not rock_climbing. stand_underneath_when is not raining_or_snowing. snowing is not precipitation_process. phosphate_weathering is erosion. phosphate_weathering is not erosion. bouldering is rock_climbing. weathering is becoming. stand_underneath_when is raining_or_snowing.