A ramp that is 8 meters long raises an object 2meters. What is the mechanical advantage

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.

c because the news are a source of information of things that happen on the daily and shows evidence about that particular topic