What phrase best describes subduction

Which country's action would be in violation of section ii of the agenda 21 plan

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.

Suppose you had to resolve the problems believed to be caused by distance decay in russia. what would you suggest?