A006) Divergent Boundary Spreading Rates - East Pacific Rise. Some divergent boundaries spread at different rates. Use the widths of the color bands (marked by the Problem 6 placemarks) representing seafloor ages on either side of this mid-ocean ridge to determine which side is moving faster.

The primary agent of contact metamorphism is

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d

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.