French chemist du Fay called this “resinous electricity” or ———— charge. A. Unfair
B. Positive
C. Negative
D. Attractive
E. Neutral

Displacement is the slope of a velocity vs. time graph a. true b. false

Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state. a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car