Answer:
What would happen to the speed of a sound wave if it moved from ocean water to air?
It would slow down.
What would happen to the speed of a sound wave if it moved from a cooler room to a warmer one?
It would speed up
Explanation:
Just did it on edg
Answer:
D on first page
I think on the second page is also D
The third page is B
Explanation:
F = m.a
F = 3(2 I + 5 j)
F = 6i + 15j is resultant force
Magnitude force = √6+15 = √21
Answer:
NaCl is neither a salt nor a base.
Explanation:
It is a salt
Solar Energy is the answer to the question tell me if i`m wrong
