Vocabulary:Earth's Atmosphere

reneawable resource= a resource that an be replaced in a short period of time .

ozone layer=a layer of ozone gas in the atmosphere that screens out much of the Sun's UV rays.

fossil fuel= a fuel formed from the decay of ancient forms og life.

smog = a mixtures of smoke and fog.

zx acid rain = moisture that falls to earth afte being mixed with wastes from buned fossil fuels .