There is no 'brown dye' - to dye wool brown, you just place it along with Cocoa Beans into your crafting slot, to make Brown Wool.
You can dye wool with it, or you can create decorative blocks of it using 9 pieces.
No, you need wool.
string
You have to put a cactus in a furnace and then apply the resulting dye to the wool.
There is no 'brown dye' - to dye wool brown, you just place it along with Cocoa Beans into your crafting slot, to make Brown Wool.
You can dye wool with it, or you can create decorative blocks of it using 9 pieces.
No, you need wool.
No, they do not.
string
You can use wool for making beds and paintings. I'm not sure about the painting but I know you can make a bed in Minecraft PE
you can make beds and colored wool if you find other things
You have to put a cactus in a furnace and then apply the resulting dye to the wool.
First, you have to find sheep with wool. Then, use your dyes to dye its wool to a certain color. Then, kill it or shave it to get the wool.
Kill a sheep or get some sheers
For colouring wool blocks.
there is no "carpet" item/block in minecraft, but people use different colored wool as carpet for minecraft.