The correct answer is letter B. The microphone is the part of the telephone the converts sound waves into electrical signals that can be sent through the phone line and then towards the receiver on the other side. The telephone is one of the most important inventions made by man as it allowed communication to speed up through time.
Answer:
B, wind blowing a grain of sand
Explanation:
it is the only answer where something is moving, the others are not moving
Answer:
Epithelial tissues are general throughout the body. They form the covering of all body surfaces.
Explanation:
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