During a flood, a river drops the largest pieces of its sediment on the floodplain close to its normal channel. explain why?

When air at the surface diverges, airflow above must diverge, regardless of hemisphere converge in the northern hemisphere but diverge in the southern diverge in the southern hemisphere but converge in the northern converge, regardless of hemisphere?

Which of the following describes what rocks usually are composed of ,

Both pictures below were taken at the same time of day, but one picture was taken in summer, and the other in winter. how can you tell which is in winter