What is a large deposit of sediment that occurs at the mouth of a river due to a sudden change in elevation?

What path do global winds follow due to the coriolis effect? a curved path a random path a straight path a vertical path

The difference(s) between the grand canyon and valles marineris is/are: (a) the grand canyon was formed by water, but valles marineris was not. (a) valles marineris is much longer than the grand canyon. (c) valles marineris is much wider than the grand canyon. (d) valles marineris has large volcanoes near it. all of the above

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