The phonograph and the motion picture camera.
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The answer is A) The Mexican Army ran out of ammunition.
Given the situation above regarding natural selection on mating peacocks, if ever females begin to change different criteria than feather color when they choose mates, what would eventually happen to the tails of the peacocks over time is that there would be a decrease in variation in <span>tail feather color because the only reason for variation was selection pressure. The answer is the last option.</span>
Answer:
Primary Source can be talking to a particpated person in government inform you and secondary source can be studying how history can change, being passed down.
Explanation:
<em>A primary source</em> is first hand. Ex: I experienced the Vietnam War. I tell people about the Vietnam War. its a primary source because it was first hand.The information was given to me first.
A secondary source is second hand. information passed down ,usually the second time. Ex: My friend who had experienced the Vietnam War himself ,told me about the enemies troops.
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Answer:
Free elections means which implicit in both principles.