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Layers of the Earth/Atmosphere

Teacher: Mrs. Dunn
Across
Layer on earth's surface containing all bodies of water
The ozone layer in this layer helps absorb ultraviolet radiation
Ions in this layer reflect radio waves back to Earth. The aurora borealis occurs in this layer.
Most meteoroids burn up in this layer, producing meteor trails.
Rain, storms, and most clouds occur in this layer
Down
Phone calls and television pictures often reach you by way of satellites that orbit Earth in this layer.
This layer extends from 80 km and upwards into outer space. It has no definite outer limit.
Upper layer of the Earth's Crust