By using your plow tool or tractor.
Barns do nothing in Farmville. They are just buildings which you can build for decoration.
well you can this check this site http://farmville-3d-design.blogspot.com/ will show you how to build a 3d Design in farmville and more secrets
You don't you build it, you unlock it as a new farm when you are a higher level.
yes but you have to build it first
You have to buy it. It is under buildings and it cost's 60 farmville dollars. farmville is giving them away free you DO NOT have to buy it however some people havent gottne theirs yet. You should have a pop up when u log on to farmville. then u ask friends to help you build it with boards and such.
A green roof may refer to one which is living, and has plants growing on it. It is best to refer to an expert in these systems as damage can occur. In general one places a waterproof fabric over the concrete roof, then a growing medium, then the actual plants.
Rest Tents do nothing... Just making your Farm look good, but if you build one, you get xp.
Bricks are used to help build or expand Horse Stables and Nursery Barns.
You ask for gifts that the building needs, every building requires different gifts.
Thailand is a very big country and the population is growing rapidly. Which means more pollution. More pollution can not only harm the plants but the animals as well. Deforestation to build more houses and buildings. Cutting of these plants to sell them which will eventually die.
To 'use', find a place on your farm where it fits and click there to build. You will gain XP.
build more nuclear plants