Why is it important to classify in the millions of species on earth

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

Aperson with age is more likely to catch diseases that healthy people usually don’t catch. what are these infections called?

Which organ controls breathing? lungs alveoli heart diaphragm