If the atmosphere is like a greenhouse, what parts of it function as the “glass”?

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 does central place theory explain patterns in the size and distribution of cities?

In a class of 20 students, what democratic form of governance makes the most sense