Which of the following would sound waves have the greatest speed traveling through? O a cold pan
O hot tub water
O Alaskan air
O a hot pan

indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.

i think it's letter a.

its pwirhfpiwe

explanation:

because dgjpwojefopjwp