Virus. it's only living when it enters a host's body as it's a parasitic organism
Answer:
The correctly equation is D) N2+ 3H2 → 2NH3
Explanation:
Both nitrogen and hydrogen are presented in bimolecular form (N2 and H2), on one side and on the other side of the equation we have 2 Nitrogens and 6 Hydrogens (it is balanced)
Sound waves move through molecules. When there are no molecules in a certain space, sound cannot travel - whether in a vacuum or in space.
