A car drives 16 miles south and then 12 miles west. What is the magnitude of the car's displacement?
4

i believe it is b. what was the cause of the big bang

hope this !

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.

beta is electron from nucleus

something from nucleus has changed, but charge must be same for cons of charge