I think it's a)oil because it bring wealth into the region they are needed for much of the world's economy. ... Over half of the world's known oil reserves are found in this part of the world
The construction and operation of dams in the Colorado River have multiple benefits that include having increased water for irrigation and domestic supply, generation of hydroelectric power energy, providing improved aquatic recreation and wildlife habitat, and flood control.
Answer:
Oil and Natural Gas are important resources found in the Western States
Explanation:
Sustainable use practices are practices that are used in the use of resources for example that seek to maintain the longevity and continuance of the potential use of that resource. In regards to trees and logging the sustainable use of wood or paper would seek to continue the longevity and vitality of the forests by not overusing these products. Sustainable use will use a resource at a rate that will allow for natural replenishment or incremental use of the resource to prevent harm to the environment and allow the resource to be used far into the future.
D. distinct in chemistry but of very similar density