Answer:
Most of the energy in the Earth system comes from just a few sources: solar energy, gravity, radioactive decay, and the rotation of the Earth. Solar energy drives many surface processes such as winds, currents, the hydrologic cycle, and the overall climate system.
Explanation:
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Polish–American relations were officially established in 1919. Since 1989, Polish–American relations have been strong and Poland is one of the most stable European allies of the United States, being part of both NATO and the European Union.
Parallel are 2 lines going straight across in the same Direction
example: _________
_________
