Wind moving in two directions over a prairie makes air in the middle spin. this is the beginning of a a. hurricane. c. hailstorm. b. thunderstorm. d. tornado.

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.

From the standpoint of geography,a is an internal rendering of an individual's known world

What are the answers for the following questions?