If you left click to pick up something in your inventory, right clicking on an empty space will deposit a single unit there. Right clicking on a stack that's already in your inventory, will pick up half of it.
They take the same time.
You can, but they can't be on the same server. The first person that got on the server will be kicked, the second person will instead be on.
yes
you can't. you mine it.
dirt
You put it in a furnece
No, you can't. But however, you can run the "Too Many item's" mod at a separate rate, as well as the Client, but not at the same time.
Minecraft 1.7.3 contains bug fixes for 1.7, so, it is a different version, but with practically the same features.
A magnet. The magnet will attract the magnetic material to it and so separate the magnetic material from the mixture.
Yes you can minecraft and adventurecraft run as two separate exes Source: Personal Experience
Same way you get minecraft on any computer download it.
same place as everywhere else from the minecraft website