The qualitative fit-test protocols consist of three steps. what are these steps? (with references! )

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 ozone hole is at its biggest each year in the ? hemisphere in the ? season.

The creation of the trans-siberian railway allowed people to travel across russia. how could this railway impact russian culture?