The 1st cube has a copper color, and weighs 144.4g according to the digital scale. Use the volume that you calculated at the beginning to find the density of the 1st cube. Be sure to round your answer the the hundredths place ( 2 decimals).

By dividing you can find the answer

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.

The correct answer is  "c".  it is "c" because melting is an endothermic change, and endothermic get's energy from surroundings.