Language is a form of communication, whether spoken, written, or signed, that is based on social factors.

a system of symbols.

biological factors.

individual intelligence.

mountains can affect the climate of nearby lands. in some areas, mountains block rain, so that one side of a mountain range may be rainy and the other side may be a desert. much of airborne moisture falls as rain on the windward side of mountains.

explanation:

weathering is the answer.

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.