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.
This means that each dominant allele "adds" to the expression of the next dominant allele. Usually, traits are polygenic when there is wide variation in the trait. For example, humans can be many different sizes. Height is a polygenic trait, controlled by at least three genes with six alleles.
Answer:
quiz on what.so tht i can partake
Answer: b dead organisms And waste are recycled throughout the tropic levels.
Explanation:
Needed:
Co2
Water
Solar Energy(Sunlight)
Produced:
02
Glucose for the plant to use for survival