Answer:
Because sun is a 'Star' and other planets are planets and sun is the source of energy for all of the planets.
The Renaissance Is generally considered to have started in Florence Italy around 1350 to 1400 .
Answer: New and improved technology
Explanation: With more development tools we can significantly decrease manual labor which then causes us to increase our production time. As we improve this technology we are able to shift to more commercial production producing more for our larger population rather than simply for oneself and or their family
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For continental U.S. the answer is never. Since the earth's rotation axis is tilted 23.5 degrees with respect to its orbital motion around the su, one would have to be less than 23.5 degrees above or below the equator to have the sun pass direclty overhead
One way is that the sun is heating up the world causing droughts and causing the water level to rise to cause floods