Answer:
Turning the lights off when they're not needed.
Don't use the brakes too hard when u stop. That can cause the biker to fall forward.
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You put a piece of colored film on top of the light to get a different color. It could also work with tissue paper because of its thinness.
A, B & C would all be correct.
Answer:
Nickel atoms have 28 electrons and the shell structure is 2.8. 16.2. The ground state electron configuration of ground state gaseous neutral nickel is [Ar]. 3d8.
Explanation: