Chapter 16. Humans and the environment

All living things and environment are connected. Example: Humans have an affect to the environment.

Greenhouse Effect
The trapping of heat by a layer of gasses in the earth atmosphere, especially CO2,water vapour and methane. Without this effect, the earth would be too cold to sustain life
Enhanced Greenhouse effect
The amount of CO2 and other greenhouse gases in the atmosphere is getting greater. This may trap more infrared radiation, and make the atmosphere warmer

Gases contributing to the greenhouse effect
– methane
– nitrogen oxides
Global Warming
is the increase in the average temperature of Earth’s near-surface air and oceans.
Acid Rain
Rain containing above normal amount of dissolve sulphur oxides and nitrogen oxides
the cutting down of large numbers of trees
Maintaining the environment in a state which natural wildlife can flourish


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