C is the correct answer. Double displacement reaction, also called as metathesis, is a type of reaction wherein two compounds react to form new compounds. This case the cations and the anions of the reactants replace each other forming the new compounds.
4P + 502 -> P4O10 this is the answer
Answer:
1.Sulfur dioxide and nitrogen oxide
2.a)it forms carbonic acid
b)
3.the community can use renewable energy like solar and wind power cause they produce less pollution
Nitrogen and oxygen are in unpolluted air
