Answer:
Fleeing crop failure, land and job shortages, rising taxes, and famine,are reasons people left their home counties. Many came to the U. S. because it was perceived as the land of economic opportunity.
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Tides are gravitational pulls between the earth, the sun, and the moon. A method that is currently used to monitor tides would be measuring the distance from the sun, moon, and Earth.
The advantage of using windmills would be that it is natural energy, and even if ita not as windy one day thats okay because the momentum from the previous day would still kept the windmill going, but with how high windmills are there will always be wind.
Answer:
A process of change in a population through genetic variation over time.