What was a result of efforts by the u. s. and canadian governments to improve water quality?

Which objects allow humans to access groundwater? check all that apply.

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.

What is meant by the term relative location?