Answer:
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That's false. Mechanical waves (like sound and ocean waves) do
need a medium to travel in, but electromagnetic waves (like radio
and light) don't.
Answer:
One characteristic of mass wasting processes is that they move materials relatively short distances compared to streams. - d.
Anything less dense than water will float, like oil. Anything more dense than water will sink, like rock.
Answer:
Explanation:
the spherical mirror can form an image even if it is cut in half horizontally , but the image formed may be blurred.
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