An area must have at least 100 times the standard concentration of mineral deposits to be considered for mining. true false

True

Explanation:

A mineral deposit that contains enough minerals to be mined for profit is called an ore.

After a mineral deposit is found, geologists determine how big it is. They also calculate how much of the valuable minerals they think they will get from mining the deposit. The minerals will only be mined if it is profitable. If it does not have sufficient mineral deposit then it will not be mined.

answer; /// i believe that one of the causes is (a loss of habitat);