IB ESS Topic 1 2 Systems and Models

IB ESS Topic 1.2 Systems and Models

[rajeevsingh]

Thanks it's very helpful.respect from an indian student.

[cotton]

Thanks, it's really helpful to review ess topics!!

[toukammaria]

Thank you very much, these are of great help!!

[charmingdeath]

thanks for this really helped me a lot

[simplyelvi]

Thank you so much for this, I understood everything perfectly💖💖

[carpediem]

Can we access your powerpoints please? Hehe is this for 2017 assessment guide?