example of another species that has undergone evolution in response to human driven changes to its environment.

littering streams           is the answer

it would lead to upper respiratory infections and pneumonia.

the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.