Please select the word from the list that best fits the definition The resistance of a liquid to flowing is called .

Which of the following is not an effect of land substance

Write a short paragraph of about 150-300 words. explain how the physical environment can limit human activities.

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.