Answer:
we can do it again and again and again and again and again and again
Answer:
The answer is D if it's wrong let me know pls
1 is D - double-replacements do not make solid metals
2 is A - to have complete combustion the original compound must ONLY have C, H and O
3 is B - the elemental Mg replaces the H in the HCl
The sun generates its energy by nuclear fusion of hydrogen nuclei into helium.