Simple sentences are important for making clear ... such as 'and', 'but' and 'so' to link them together. Complex sentences include a subordinate clause. Go back to the video you have just watched ...

Although simple equations and related material can be tagged as images in the PDF and provided with alternative text, it is often difficult to accurately describe complex equations and positional ...

The data booklet has some examples of complex ion-electron equations. As well as ions and electrons, they involve hydrogen ions (H +) and water (H 2 O). For example, consider permanganate ions (a ...