From east coast to west coast in the united states, how many miles is it?

Which of the following statements best explains why there tends to be a greater number of large cities in southern africa than the east africa

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.

The european union was formally established in