Tropical rainforests are being destroyed by commercial logging at an alarming rate. When these forests are destroyed, they do not easily regrow. What is one issue that could result from the destruction of these forests?

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.

Which season occurs in the northern hemisphere when the sun is at its lowest point in the sky

Which of these has the least impact on the climate of a place