Struggling with your prescribed literature?
Our Literature Study Guides provide insights and analysis of themes and characters and includes guidelines for writing your exam.
sulfur dioxide is extremely soluble in water, forming sulfurous acid. This acid oxidises to form sulfuric acid, which comes down in rainfall.
a process whereby molecules combine automatically to form new ions as in the case of water.
electromagnetic waves, similar to X-rays, but with a much shorter wavelength.
this consists of three separate layers of the Earth â the crust, the mantle and the core.