Answer:B desert.
Explanation: Deserts have low rain, and plants and animals have to adapt to life there.
Answer:
Case-Control Study
Explanation:
A case–control study is a type of observational study in which two existing groups differing in outcome are identified and compared on the basis of some supposed causal attribute
Answer:
Monarchy
Explanation:
Monarchy is a form of government in which ruling power is in the hands of one person. Constantine certainly was the first emperor to publicly support the Christian Church. By doing so, he staked out a claim that places him among the most influential emperors of the imperial era.
C. Transportation
All these systems allow for faster travel of good and more efficient movement of people.
