Answer:b. After three generations of breeding the smallest dogs, the average size of pups in a litter decreases by 3 pounds. -- Evolution
Explanation:Evolution refers to changes in inherited traits which occurs over successive generations.
These are genetical traits which are passed from parents to offsprings.
It may be due to mutation or combination of genes that causes genetical variations over time.
It is also driven by natural selection in which subjects with resistant genes stay long and have these passed from generation to generation or resulting to some genes being eliminated.
Answer:
Explanation:
The American Revolution was a time when the British colonists in America rebelled against the rule of Great Britain. There were many battles fought and the colonies gained their freedom and became the independent country of the United States. The American Revolutionary War lasted from 1775 until 1783.
Answer: D. They are always small groups composed of just a few people.
Explanation: Drug cartels are never composed of a few people. There is always a chain with a few people at the top of that chain.
