A beam of light travels through the air and strikes the surface of water at an angle of incidence of 45°. What is the angle of refraction in the water? a 33 b 16 c 28 d 45

b) phosphorus pentoxide

probably not if net force is zero

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.