Two scientists were working on an idea. They kept in touch by asking each other questions about which designs worked better. After months of experiments, one of the scientists discovered a breakthrough. He tested it several more times and got the same result. Which statement describes what the scientist should do with his data? He should test two variables to see if he gets the same outcome. He should start a new project because his colleague was already working on the same idea. He should share all his work with his colleague so that his colleague can publish it. He should get the data peer reviewed and published so other scientists can try to reproduce his results.

Neptune is the eighth planet from the sun. it was the first planet to get its existence predicted by  mathematical calculations  before it was actually seen through a telescope on sept. 23, 1846. irregularities in the orbit of  uranus  led french astronomer alexis bouvard to suggest that the gravitational pull from another celestial body might be responsible. german astronomer johann galle then relied on subsequent calculations to   spot neptune via telescope. previously, astronomer galileo galilei sketched the planet, but he mistook it for a star due to its slow motion. in accordance with all the other planets seen in the sky, this new world was given a name from greek and roman mythology — neptune, the roman god of the sea.

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