Can some please help me with these 4 questions please I will give 30 points of answer is right and marked as brainliest also no links please

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.

Which is not part of the definition of a family? two or more related people living together being married or in a partnership a single person living alone choices a and b

Find the area of the shaded region.