What most likely happens if water flows through a permeable soil layer and reaches a clay layer? It dries up.

It soaks in.

lt pools on top of the clay layer.

It flovws down through the clay layer.

The mantle is made up of which structural zones?

Which evidence is most likely used to indicate the beginning of solar system formation? a. materials combined to form a mass. b. materials were pulled together by gravity. c. water condensed and collected to form oceans. d. different species of microorganisms lived on earth.

What evidence does the writer give to support his argument about coral reefs? a) he speaks of the activities of coral polyps. b) he describes the composition of the great barrier reef. c) he emphasizes the ways in which coral reefs are fragile. d) he points out the ways that scientists do research on the reefs.