Answer:
c
motorcycle, telephone, piano, lawn mower
Ocean currents are formed by a type of heat transfer that is convection
The answer is D) Velocity
A voltmeter<span> its </span>instrument<span> used for </span>measuring<span> electrical potential difference between two points in an electric circuit. </span>An ammeter<span> is a </span>measuring device<span> used to</span>measure<span> the electric current in a circuit.
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Either A or D. If I were answering I'd go with my git answer and say A