Earth's North Pole is pointed toward the throughout its orbit

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

What structure on the south african coast has a range of 63 km and releases flashes every 30 seconds?

The coco river is a natural border between nicaragua and which other country