D) cube If the focal length of Huygen's Eyepiece is 12cm then the focal length of eye lens is
A) 16cm
B) 12cm
C) 24cm
D) 8cm

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.