I think it's B: DNA replication
The Motor is an electric device which converts electrical energy into mechanical energy. The generator is vice versa of that motor. It converts mechanical energy into electrical energy.
Meiosis Bc it is genetic variation and ends with 4 cells with a completely different genetic make up whole mitosis is the cell division of identical cells. It ends with two daughter cells.
Answer:
B. they bring cold , polar winds to the equator
