Maybe you disallowed the application itself without noticing it.
You can't play farmville without a facebook profile. To play farmville you will have to create a profile on facebook. Once you have signed up you will then have to search for farmville on facebook or go to www.farmville.com and then login using your facebook profile.
Facebook allows up to 25 requests per day.
You can't.
Answer surveys and level up.
Farmville 2 has been out for a while now. Simply go to the Facebook search bar and search for Farmville 2 and it should come up with the App.
Well, you could either buy it with credit card credits, or you can earn them buy leveling up on Farmville.
Facebook does not charge. You do not have to pay to sign up for it, and you don't have to pay for Facebook Mobile, etc. However, sometimes, when you are playing a game (Such as Farmville) you can buy more Farmville Cash, or credits to help you along the way. But that is an optional charge. Facebook is free.
go to applacations and click somthing and there are pages of apps.
Visit www.thefarmsville.com for guides and more on how to get farmville cash + cheats If there are no more surveys left to do in game then the only other way is buy them or a glitch!
Lost animals show up randomly - there is no telling when they will appear.
A quick way is to help your nieghbours on their farms and you get more xp
Farmville has not came up with that part of the game yet. they will eventualy get it working ignore the ones who dont konw ;)