The nearest star is 4.2ly away from earth. How far is this in miles

If two cars get a 4 way stop intersection at the same time, which car should be yeiled the right of way

Which has a larger molar mass, salt (NaCl) or sugar (C12H22011) - how can you tell?

Due to quarantine we will be out of school for a total of 62 days. Each school day is 7 hours. How many hours of school will be missed?

What is meant by solvation? nonpolar solute surrounded by polar solvent polar solute surrounded by nonpolar solvent ionic solute surrounded by nonpolar solvent ionic solute surrounded by polar solvent

What's a heterogenous mixture

Why do the two elements silver and iron have different properties?

Lons that are present before and after a neutralization reaction are

In chemistry a formula is used to represent

The theory suggests that the Sun, planets, and other celestial bodies of the solar system came from a cloud of dust and gas.

What is the passing of a wave through an object