2. Test your knowledge
Well I hope you found that useful. If you want to hear from anyone again, just knock on their door again.
Now that you've knocked on all of the doors, here’s a quiz for you to see what you’ve learnt. I’ll ask you a series of questions and you can pick the right answer, true or false. Don’t worry if you don’t get it right, I’ll pass you back to the best person to answer your question.