YES! i agree with MichaelScarn! It helps boost your final average a lot since they take into account the extra marks you get from mastering chem. I'd definitely recommend it as a booster because the quizzes are not guaranteed easy marks. and they are each 3 percent of your final grade and aren't as easy as mastering chem!

Can someone explain this to me. So I buy an access code from online or something and use that to do questions online?

Originally Posted by Silver

Can someone explain this to me. So I buy an access code from online or something and use that to do questions online?

You buy an access code, which allows you to log onto the site.

On this site, there are questions you answer. Usually they are either calculations where you enter your final answer or multiple choice.