Which is true for a rifle or a handgun but not for a shotgun? A. A rifle or a handgun has lands and grooves in the barrel.
B. Rifles and handguns are manual, while shotguns are automatic.
C. Rifles and handguns do not have firing pins.
D. A rifle or a handgun cartridge does not use a primer.

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods

its lower due to the doppler effect.: apex