Blank weathering is the process by which softer less weather resistant rocks are worn away leaving more weather resistant rocks exposed what kind of weathering is blank weathering

Equilateral triangle pbj is inscribed in a circle as shown. determine the measure of arc pjb.

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.

Can someone me? i need to have this done as soon as possible! i'm putting 20 points on this!