A tropical forest with high annual rainfall.
Rainforest
The issue of having to many people in a place
Overpopulation
The decrease of trees in the forest due to human actions.
Deforestation
Air pollution by a mixture of smoke and fog.
Smog
Disappearance of a species and they no longer exist.
Extinction
An effect in which heat is kept inside the Earth by some gases such as carbon dioxide or methane.
Greenhouse effect
Rain that contains more acid than normal.
Acid rain
The shaking from the movement of rock beneath Earth's surface.
Earthquake
A long period of dry weather.
Drought
The pollution of water from industrial waste
Water Contamination
A rapidly spreading and usually fatal (serious) disease.
Pandemic
