Ian walks 2km to his best friends house, the. walks .5km to the library. then makes a 2.5 km walk home. the entire walk took 3 hours. what is his average speed in km/h?

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.