Question 6 (1 point) [02.04]
As a sound source approaches someone, the frequency of the sound wave (1 point)
a
increases
Oь
decreases
Ос
decreases, then increases
Od
remains constant

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.