Is quadrilateral ABCD a rectangle?
Why or why not?

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 role did the waterways of europe play in development of europe's economy

What type of coastline is commonly found along the western side of the america’s