Pls 15 pts what type of burial material will result with the most preserved fossilized remains? sand shale silica water

What is a small water source like a stream or brook?

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.

Find the area of the shaded region.