This problems answer is contact force because you are touching it
Answer:
6 x 10 (power to the 15) H2
Answer:
The answer is B. Compressions and rarefactions.
Explanation:
- <u><em>Longitudinal sound waves are waves of alternating pressure deviations from the equilibrium pressure, causing local regions of compression and rarefaction.</em></u>
Put the mixture in water, the pebbles will sink, the pepper will float, and the sugar will dissolve
