Nurserylive customer care number 8388026087//8388026087

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

During which era in earth's history were the first insects? mesozoic precambrian cenozoic paleozoic

This desert is found in the northern part of africa and covers 3.5 million square miles.