Aray diagram for a refracted light ray is shown.
what does the dashed line represent?
a.) medium
b.) boundary
c.) normal
d.) incident ray
you in advance ! < 3

explanation:

a fuel engine ( known as a gasoline engine in american english )is an internal combustion engine with spark ignition, designed to run on petrol (gasoline) and similar volatile fuels.

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.

mass and volume are the answers you are looking for