Modern environmentalism works with businesses to promote sustainable development. Please select the best answer from the choices provided

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Aneuron is stimulated with an electric pulse. the action potential is detected at a point 3.70 cm down the axon 0.0052 s later.when the action potential is detected 7.20 cm from the point of stimulation, the time required is 0.0063 s. what is the speed of the electric pulse along the axon? (why are two measurements needed instead of only one? )

Anybody who knows ap biology, can you friend or message me

This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient