How did geographic isolation affect the islands in the Australasia ecozone? O A. The islands have unique plants and animals.
B. There are conflicts between aboriginal groups.
C. The island groups experience variable weather.
D. They developed heavy trade routes between them.

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.