Is kenya part of the commonwealth?

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.

Based on what you know about speed of light and sound, which come/comes first in a thunderstorm

Which nation is home to the bass rock in the firth of forth?