Plant or animal material
A gas that can harm the environment when there is too much
Water, land, soils, rocks, forests and other plants, animals, fossil fuels and minerals.
Earth minerals and metal ores, fossil fuels, and groundwater in certain areas
Substances which can be used over and over because it can be replaced, like oxygen, fresh water, solar energy, and plants.
The gases that surround the earth.
Oil, gas, coal.
The usual weather for an area during the year.
