D all of the above. While the ball is being lifted, gravity is still pulling down and it is heavy so it is harder to lift.
<span>Answer: "a cold front" .
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The standard model of particle physics classifies all known particles and documents three of the fundamental forces. A neutrino is an almost massless sub-atomic particle with no charge that only interacts with matter very weakly. Neutrinos are classified as fermions which means they have half-integer intrinsic spin.
D. It is personal in style.
