ASAP! WILL GIVE BRAINLIEST! THIS IS A TIMED TEST!
What causes different colors to appear in the sky?
the absorption of light by air molecules
the reflection of light by bodies of water
the greenhouse effect in Earth’s atmosphere
the scattering and reflection of light by dust particles

Trumpeter a holds a b-flat note on the trumpet for a long time. person c is running towards the trumpeter at a constant velocity. person b is running away from the trumpeter at the same rate. person d is standing still the whole time. which person hears a frequency that is lower than the b-flat?

Auniform crate c with mass mc is being transported to the left by a forklift with a constant speed v1. what is the magnitude of the angular momentum of the crate about point a, that is, the point of contact between the front tire of the forklift and the ground

What is friction? how does it affect the motion of an object?