What type of current do power lines transmit and why?

a. ac current, because ac current transmits more efficiently

b. dc current, because dc current transmits more efficiently

c. ac current, because ac current is safer

d. dc current, because dc current is safer

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? )

Is citizens were comfortable with their detachment from england and had no interest in going to war

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.