An example of a human factor or a way humans affect the environment of a place is

Suggest two reasons why irrigation is important for human development of the desert (4 marks)

When you cross a time zone going east, what happens to the time

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.