Answer:
convex lens and a concave mirror
1. Delta, is formed by constructive erosion.
The weight of air resting on a surface, divided by the area
of the surface ... described in units of force per unit area ...
is called air pressure.
Answer:
motion energy to sound energy
Explanation:
you move your hands together, then clap then, which makes a sound. Hope that this helps you and have a great day :)
Answer:
the wave is carrying more energy
Explanation:
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