Search over 10,000 free study notes

Divide 160 by 2 as many times as you can to get 80x2, 40x2x2, 20x2x2x2, 10x2x2x2x2, 5x2x2x2x2x2. Then re-write your answer so that it is 5x2^5. If you're struggling to divide by 2 and keep track of how ma...

Resistivity is the measure of a materials resistance per unit area

First of all, you need to ask yourself the question: am I addressing one person, or more than one? If the answer is more then one, simple! You ALWAYS use vous because this is the plural form.

If th...

Aerobic respiration requires oxygen from the air, whereas anaerobic respiration does not. Aerobic produces Carbon dioxide and water, and the carbon dioxide exits through a gas exchange system in humans. A...

They will be looking for a very good knowledge of the a level course and the ability to take a-level concepts a bit further. A good way to test this is to use the Cambridge lower sixth chemistry challenge...