What are the four general groups that matter can be classified into?

The matter can be classified in two different ways; (a) according to its state, and (b) according to its composition. Matter can exist in three different states, solid, liquid, and gas, based on the way the atoms and molecules are arranged inside them.

as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.

"d.) carbon dioxide and hydrogen sulfide"