I need this answered right away, please!! In which material will sound waves travel faster?
A. air
B. rock
C. vacuum
D. water

Based on your observations of porto alegre and houston, what would you conclude about the longest and shortest days for the two cities on opposite sides of the equator

What if i told you.. you could get free points and brainliest for answering this one drivers ed question ! hurry : ) to begin measuring your following distance, watch as the rear end of the vehicle ahead passes a. the rear end of a vehicle on the right b. the front end of an oncoming vehicle c. a fixed point on the road d. a distant landmark

Why are radio observatories located in valleys far away from urban centers? a. to shield them from electromagnetic interference b. to avoid sound pollution c. to avoid disturbing people living in the city d. to shield them from water vapor