Answer: B
Explanation: Stem cells are the building blocks of the human body. At the start of life, they divide over and over again to create a full person from an embryo. As we age, they replenish cells in our blood, bone, skin and organs. Stem cells could be powerful tools in treating injury and illness.
In 1793, Eli Whitney invented a simple machine that influenced the history of the United States. He invented a cotton gin that was popular in the South. The South became the cotton producing part of the country because Whitney's cotton gin was able to successfully pull out the seeds from the cotton bolls.
Answer:
The Cheyenne weren't always a nomadic tribe. They became a nomadic, horse-based culture in order to adapt to changing conditions. ... This switch prompted them to abandon their farming lifestyle and convert to a full-fledged Plains horse-culture tribe. The fourth stage is the reservation phase.
Explanation:
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Natural law is a theory in ethics and philosophy that says that human beings possess intrinsic values that govern our reasoning and behavior. Natural law maintains that these rules of right and wrong are inherent in people and are not created by society or court judges
