急求雅思water pollution 和 land pollution的大作文 3Q要求 water（land） pollution都包括哪三种___,___and___.要求一定是3种 每一种一句introduction.然后是facts/examples.water pollution和land pollution都要写 一定要按照雅思的写法

Firstly ,air pollution,which has a bad effect on the environment,comes from factories,power stations and cars.Lots of factories take pollution to world .for example,In 1984 there was a serious acciden...