Friction is caused by the uneven surfaces of touching objects
Answer:
Question doesn't make sense
The correct option is C.
From the information given above, one can easily conclude that electromagnetic Y is the strongest because, it produces the higher amount of current compare to the other electromagnets. Electromagnet W is the weakest because it produces the lowest amount of current.
An Active solar energy system because it uses the sun to heat up the green house an I’m return the plants grow an produce food
A.) LUNAR MARIA..............