Which rock sample provides scientists with the most information about Earth's climate as well as biological and geological histories?
A an igneous rock such as granite
B a metamorphic rock such as marble
C a volcanic rock such as obsidian
Da sedimentary rock such as sandstone

Where is the only location in the united states where you drive on the left side of the road?

Plz which natural resources in southwest asia are important? choose all answers that are correct. oil plutonium water natural gas

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.