What are the correct terms given for the spiral grooves that are either cut or impressed upon the bore of a barrel of a gun?
les )
marks and cuts
lands and grooves
calibers and shots
extractors and ejectors HURRY !!!

Glucose, also called grape sugar, blood sugar or corn sugar, is among the simplest and one of the primary naturally occurring sugars. produced naturally by plants as the primary photosynthesis product, it is heavily used by living beings as a main energy source and is necessary for cellular respiration. chemically, it is a monosaccharide carbohydrate and serves as a building block for complex sugars like starch.