describe what has been done in recent years to make the trade between pakistan and afghanistan easier

Which factors add to the greenhouse effect and are caused by 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.

Which of the following terms best characterizes the government of somilia