The earth tilts for different times of the year. During the summer Alaska is a lot closer to the sun than florida.
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The reason European societies took the lead in technological innovation, and became the dominant political and economic centers of the modern world were because of their natural resources and locations that were most conducive to cultural innovation and economic development.
The majority of species require <u>oxygen</u> to survive
The most abundant fossil fuel is coal... Coal isn't only our most abundant fossil fuel,it's also the one with perhaps the longest history. The U.S. has more coal reserves than any other country in the world. In fact, one-fourth of the all the known coal in the world is in the U.S.