<span>A. SnO2 is the correct answer. I hope this helps </span>
Answer:
A
Explanation:
The answer is A) because the A container has tightly packed molecules but not as tight as C so that means A is liquid, and C is a solid which makes B a gas
Answer:
1) Constructive Interference
2) Hits a surface and bounces back
3) Antinodes
