I would say that the answer has to be C
Since there is no change in mols on both sides of the equation the mass is constant
Answer:
No. No new substance is formed during Physical change.
Answer:
usage of trills and vibrato
Explanation:
earlier music used trills while later styles would use vibrato.
A. the distance between towns
Answer:
Nitrogen will called as atom or molecule or ion too in the state which it exist means in which form it is present .