Hey there!
The answer would be B. The sound moves from air to water.
Sound travels through different mediums. It goes fastest in solids, a little slower in liquids, and slowest in air. Sound is a very fast wave, but remember that mediums can differ that. In a vacuum space, there is no sound at all. (ex. outer space)
Hope this helps !
I really don’t know but I think it’s D
Answer:
Half
Explanation:
You only have to exert a force equal to half the weight of the load to lift it.
Answer:
C
Explanation:
O has 8 protones,S tiene 16, Se 34 y Te 52.
Its a sinkhole. -----------