3. Suppose that a car traveling to the west (-x direction) slows down uniformly as it ap- proaches a traffic light. Which statement concerning its acceleration must be correct? (a) Its acceleration is positive. (c) Its acceleration is zero. (b) Its acceleration is negative. (d) Its acceleration is decreasing.

This is a form of winter precipitation. it is frozen precipitation falling as ice pellets. snowflakes melt into raindrops as they pass through a thin layer of warmer air. the raindrops then refreeze into particles of ice when they fall into a layer of sub-freezing air near the surface of the earth. this precipitation is called a) hail. b) rain. c) sleet. d) snow.