Remote frontiers, isolated villages, rugged topography and repeated historic invasions are all examples of which type of devolutionary force? Question 8 options:

a)

Economic

b)

Political

c)

Spatial

d)

Ethnocultural

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.