Answer:
Two: mechanical and chemical
Answer:
exploration
Explanation:exploring is to dicover for instance Cristopher colombus set out to explore or discover.
An act of vesting the legislative, executive, and judicial powers of government in separate bodies.
Unfair working conditions and child labor and eventually brought about worker unions
Much can be learned from the generation that fought in World War II, including a dedication to service of one's country but also how not to respond to a changing world. The generation that fought in World War II was noted for its willingness to give up years of their lives and their lives itself to protect the interest of the United States but used the black and white morality of World War II to justify America's failed wars in Korea, Vietnam, and the controversial backing of abhorrent leaders throughout the world to stop the flow of communism.