The densities of the coinage metals ( copper, silver, and gold) are as follows: copper=8.95g/cm^3 silver=12.59g/cm^3
gold=19.32 g/cm^3

answer; i believe that the correct answer is (c) explore the outer planets; / plz check good luck

the atomic number will stay the same no matter how many electrons it has, so it doesn’t decrease nor increase. it’ll only change with a different number of protons

the earth would become to overheated and everything alive on it will eventually die from overheating. plants will eventually die as well, water will evaporate, and it will be nothing but a hot planet without anything living on it.