yah
Perks are Things that Help You on Your Game
You get various unlocks for weapons, new weapons, new perks, and camouflage for completing the achievements.
reach level 72
15+pro perks if I'm not mistaken
No, there are no new weapons or perks in the Download pack, only 5 new maps, 2 of them are back from the old "Call of duty 4". its possible that they are only going to make map pack's, not new weapons or perks.
you just do. OKAAY? Kay :)
AK-47, ACR, MI6A4, Interventionz, Barret50., Scar-H, (Perks: Marathon,Cold-Blooded) many more :)
The Call of Duty Wikia has a complete list of the Call of Duty Black Ops weapons from the related link
they give health speed or atack power
You need to unlock the weapons.
No, when you prestige, you go to level 1 and lose all your weapons, perks, and challenges. You basically start the game over but you get a new symbol.
to use perks in call of duty u just set up your class with the perks you want and you will automatically be using them, perks or not activated they are continuous.