The picture shows how the grand canyon looks now. but millions of years ago, this region was completely buried under earth's surface. the change that happened over the years was cause by

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?

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Do larger countries receive more money in remittances than smaller countries