PLEASE HELP URGETNT When we look up into the night sky, we see
A) all the stars in the galaxy.
B) all the stars in the Milky Way.
C) only the stars surrounding Earth.
D) a few of the billions of stars in the galaxy.

Wo audio speakers are placed on a vertical rail. speaker a is placed at head-level while speaker b is place at some variable height, \delta yδy, above speaker a. both speakers receive simultaneous input from a sine-wave generator so the speakers each produce a pure sinusoidal sound wave with a wavelength of 0.531 meters. calculate the lowest height that speaker b can be placed above speaker a to produce a minimum of sound heard by person standing \delta x = 7.86δx=7.86 meters directly in front of speaker a.

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

Iwill give brainliest if you answer right : )