title basicly says it all.
I have druid as my mian and i made a second warrior just made him today.
yup a purdy old tuarn warior. lol
i now people that have min/eng or herb/alch but i just dont know wat to pick
i dont really want min/blacksmithing
but if u could give advise on either giving my warior herb/alch
or min/eng
thanks for those who do
DA HORDEDDDDDDDDDDDDD

Your second set of professions could be to aid your first set.  In Alchemy, you will eventually learn to transmute things from one to the other.  Materials for Earthstorm and Skyfire Diamonds are created partially from gems you can find while prospecting ore from Jewelcrafting or from mining as a miner. 

My toons...

70 MM Hunter: Maxed Alchemy/JC
62 Shaman: Leatherworker/Skinner
24 Warrior: Mining/BS
12 Survival Hunter: Mining/Herbalism

Each toon's professions is helpful to each other.  In total, I can make up to about 500g on average every day to three days.

gingseng, you should get a file with engineering, because you have a file with mining and one with skinning and one with JC, so you could have all you need for it