The two energy sources that cause the most air pollution in the Middle East are "?" A. coal and gas
B. nuclear power and oil
C. coal and nuclear power
D. gas and oil

Write a 150-word essay describing the effect of people's activities on the environment in the region.

The “twelve apostles” are in which national park?

The vegetation that thrives in the tundra is limited to a. mosses, barley, wheat, and corn. b. coniferous trees. c. dwarf shrubs, mosses, lichen, potatoes, and beans. d. mosses, lichen, algae, and dwarf shrubs.