
The Correct choice is : C. <u>Solids</u>
Sound waves need a medium to propagate, and the most suitable medium for that is solids, where it travel the fastest or with greatest efficiency.
Answer:
winter
Explanation:
due to axial tilt and eccentricity, the southern hemisphere is tilted toward the sun in the winter months as australians have their summer in the UK's winter.
Answer:
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Explanation:
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