1
the process of making something clean by removing harmful substances from it
2
A container that can be filled with liquid again once it is empty.
3
someone who is not paid for the work that they do
4
the process of adding chemicals to food or water in order to clean it or keep it fresh
5
a long period of when there is little or no rain and plants die
6
a serious lack of food that continues for a long time and causes people to die
7
the right or opportunity to have or use something that will bring you benefits
8
to make an urgent request for people to give you something such as money or information
9
a product or group of products that has its own name and is made by one particular company
10
a large amount of water that covers an area that is usually dry (it rhymes with "mud")
