What is the electronegativity and bond polarity like in the "head" vs. the "tail" ends of soap?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !

Which three statements represent the benefits of performing experiments using computer simulations?