The exosphere is the layer of the atmosphere
a. closest to the earth's surface.
b. that absorbs ultraviolet radiation from the sun.
c. where gas molecules can be exchanged between earth's atmosphere and outer space.
d. where air temperature stops increasing with altitude and starts decreasing.

Ateam of researchers calculates that a glacier will melt completely away in the next 100 years. which land structure will most likely be left behind after the glacier melts?

Sandstones that form in aeolian (wind/desert) environments appear very different from other sandstones, such as those formed in a beach/ shoreline environment and in rivers on land. give three identifying properties for each of the three sandstones that would tell a geologist which depositional environment they formed in. consider things such as the relationship between transportation and grain size, shape, roundness, sorting, fossils and composition.

How long does it take for saturn to orbit the sun?