Answer:
The Great Plains are a vast high plateau of semiarid grassland. Their altitude at the base of the Rockies in the United States is between 5,000 and 6,000 feet (1,500 and 1,800 metres) above sea level; this decreases to 1,500 feet at their eastern boundary.
BRAINLIEST PLEASE?
Answer:
The answer is D. Panama Canal.
Water and air both have oxygen and due to the contamination in the oxygen both water and air suffer
D. methane
Soil and minerals are found in dirt, which is land, and forests are appart of land, but methane is a <span>flammable gas.</span>
Answer:
they are all involved with earthquakes and titonic plates
Explanation: