What lead up to the dust bowl and its huge dust storms? drought killed off plant life, leaving soil uncovered
a volcanic eruption blew ash into air
excessive surface irrigation caused water erosion
earthquakes caused large rocks to crumbled

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

Create 3 equivalent fractions using the area model for 2/5create equivalent fractions using number lines for 1/2create equivalent fractions using multiplying for .3/4brainliest

Stages 1 and 4 of the demographic transition are similar in that