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

A (Brainiest pls)

Explanation:

Resistor is the passive component that reduces the flow of current. Switch is the electrical device that turns on or off the current by closing and opening the electrical circuit.

sexual reproduction produces offspring with novel combinations of genes. species that reproduce sexually must maintain two different types of individuals, males and females, which can limit the ability to colonize new habitats as both sexes must be present.

answer: - b cells

explanation: -

so, the b cells mediate their action by identifying the antigens present on the surface of the pathogens and then producing antibodies in return to mediate its effect.