Tumbuhan yang hanya diam di tempat bisa digolongkan makhluk hidup mengapa​

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 is unusual about the iraq mountains ,in spite of their old age?

What is the border between layers a through f and layer g called?