Answer:
E. By the release of magma
Explanation:
When the magma leaves the underwater vents, it hardens and spreads making the seafloor bigger.
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Answer:

The unit of electric current that is equal to the flow of one Coulomb per second.
Ampere or ‘amp’ is a unit of electric current denoted by A. It is named after the French Physicist and Mathematician Andre-Marie Ampere, who is considered as the ‘Father of Electrodynamics’.
Answer:
The resistance of the air would be your answer.
Explanation:
It acts like same as Friction.
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