A comet could change course when passing a planet due to:
The four outer planets are composed of mostly gases and:
- <em>Hydrogen and Helium</em>
Since radio waves, microwaves, infrared rays, visible light, ultraviolet rays, X-rays, and gamma rays are all emitted by the Sun, you could assume that the Sun emits a large part of the:
- <em>Gamma Rays Spectrum</em>
Answer:
Grand Canal was expanded and improved, overland trade routes, some of the greatest writers, porcelain, wood block printing, gunpowder, improved magnetic compass, and paper money are all advancements made during which dynasty.
Google ; )
Answer:
Its A C and the next one B F
Explanation:
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Answer:
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Answer:
b
Explanation:
I don't know it that well but I think it is b cause there are many American explorers in arabia
