Will give brainliest

which of the following statements are true ?
sound travels 4 times faster through water than through air

there is no sound in space

geologists use their knowledge of how sounds travels through rocks to find oil fields

all of the above

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.