Which is the goal of science

b.transmitters send radio waves, and receivers capture radio waves.

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.

ya te mando la respuesta

54 degrees incident angle = reflected angle

angle is from normal turned to line of ray