Can you also tell me how these products are of use to the environment. I am doing a project at my School,Menai Public in Sydney Australia. This is the first time my Dad has let me use the net and send an Email. You and your dad can read them. If you have more questions please write us.
Volcanic materials make great soil.
In some places volcanic material is used to make roads. Volcanoes also make mineral deposits, like nickle and gold in Australia and Indonesia. You might enjoy learning about Australia's volcanoes.