How many different kinds of protons are present in each of the following compounds?

Is a hamster and guinea pig part of the same species ?

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

Some mining processes involve removal of large areas of earths surface in the mined region this practice causes severe environmental damage by allowing which natural process to accelerate in the affected areas? a.precipitation b.erosion c.migration d.condensation