Which part of the rock cycle can only occur because of thermal convection

What is the primary purpose of a game reserve?

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.

Determine which of the two measurements in each set is lesser.10°f or 20°ca. 10-fb. 20°c