Answer: The answers are C, D, and F
Explanation: The Asteroid Redirect mission's spacecraft will collect a boulder from an asteroid and research more.
Answer;
C. Poor farming techniques that killed the soil were combined with drought.
Explanation;
-The Dust Bowl was caused by several economic and agricultural factors, including federal land policies, changes in regional weather, farm economics and other cultural factors.
-After the Civil War, a series of federal land acts coaxed pioneers westward by incentivizing farming in the Great Plains.
Lowercase b is the allele that goes in 3
