Answer:
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Some scholars and archaeologists consider a theory related to a sequence of natural and socio-economic factors which determined the decline of the Indus cities.
They believe that in the Indus Valley region occurred numerous tectonic disturbances which caused earthquakes and changed courses of rivers or dried them up.
These events might have caused a great flood by separating food producing areas from urban centers.
Soviet Union, England, America
Answer:
Many new ideas contributed to what is called the scientific revolution. Some of them were revolutions in their own fields. These include: The heliocentric model that involved the radical displacement of the earth to an orbit around the sun (as opposed to being seen as the center of the universe).
Explanation:
Galileo (1564-1642) was the most successful scientist of the Scientific Revolution, save only Isaac Newton. He studied physics, specifically the laws of gravity and motion, and invented the telescope and microscope.
