The reason grooves are rifled into the bore of a gun is so that a: bullet will be made to spin and hence have a true and accurate course on leaving the barrel. bullet moving through will have unique striations. manufacturer can put its unique mark on its product. bullet will be reduced in size before it exits the gun ballistics examiner will have an easier time identifying evidence

the arctic is a region of the planet, north of the arctic circle, and includes the arctic ocean, greenland, baffin island, other smaller northern islands, and the far northern parts of europe, russia (siberia), alaska and canada.

you cant move and you feel like someones pushing you down onto your bed it can feel like you want to get up but you just can't it can be extremely scary

i sometimes feel that way too. i feel that i should hurt someone because they hurt me, but i wouldnt do it. that would make things so much worse i have so much experience with this stuff

explanation:

answergravity;