Solar energy is a non-pollutant, which means it doesn't pollute the environment. so therefore A is the correct answer.
Answer:
nonmetal
Explanation:
.........
...
.
181.82 g/cm3
density is mass / volume so it is 500 / 2.75=181.82 g/cm3
Percent composition by element
Element Symbol Atomic Mass
Antimony Sb 121.760
the answer is -155.8
