Which of the following describe the brightness of a star as we see it from earth?
a: absolute magnitude
b: parallax magnitude
c: apparent magnitude

C. Apparent Magnitude

Explanation:

the assestment will probley apele with cause and effect

it's when something is going so fast it makes a loud noise, breaking the sound barrier, for example: a jet makes a loud noise, not only cause of the jet but because they reached a point where they went so fast that you can year the noise from various parts, kinda like a police car, lets say the car was going   so fast that you hear the siren of the cop car right next to you, but the car is probably a mile a way, it's cos the siren was next to you a few seconds if you understand me