Scientist used abstract reasoning to explain something happened
Answer:
Drought in the Sahel in the 1970s and 1980s made it look like the desert was expanding, because the reduction of rainfall at the desert margin (the Sahel) caused a reduction in vegetation. Warm, moist air rises near the equator, then cools and condenses its moisture, which falls as rain or snow
Answer: D. No, because the state owns and operates the metal plant.
Explanation:
The State owns and operates the plants and so is allowed to discriminate against non residents.
This principle was established by the United States Supreme Court in Reeves, Inc. v. Stake, 447 U.S. 429 (1980).
In the judgement, the Court held that South Dakota had a right to give it's residents preferential treatment in buying cement from a state owned plant.
Answer:
it would be to protect habitats to ensure the survival of endangered species