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Sorry, I'm not sure about 15 but I hope this helps.
Answer:
Earth's Rotation
Earth spins around its axis, just as a top spins around its spindle. This spinning movement is called Earth's rotation. At the same time that the Earth spins on its axis, it also orbits, or revolves around the Sun. This movement is called revolution.
Explanation:
I hope it's help u :)
Answer:
So who is he then I have a ton of questions for him for example the total same of fish in the ocean