The atmosphere is composed of mainly

Which gas is released into the atmosphere by plants as they photosynthesize?

Which gas if removed from the atmosphere by green plants?

Atmospheric pressure___________with ___________altitude

What is the weight of a one square inch column of the atmosphere?

The density of our atmosphere _______________with an increase in altitude.

Which layer protects the earth from meteoroids?

Which layer is the coldest?

The Ozone Layer is found in this atmosphere layer.

This layer is the "heat sphere".

Most weather occurs in this layer.

The space shuttle orbits in this layer.

The Earth's magnetic field traps harmful particles from the sun concentrating them into belts of radiation called _______________.