IB ESS Revision Water Systems

[@aneesakhadija4967]

good luck on exams tomorrow!!

[@ben3936]

Today ;)

[@xucarain2655]

in half an hour :P

[@alex5853]

You just explained me more than my ess teacher taught me for the whole year istg

[@jasmine_ferreira]

same tbh

[@madeleinetehrani]

Saving my life thank you!

[@TheOne-wj6fz]

lmao is it just me or has like half the chapter been skipped, but the other points were kinda helpful, gotta give you that

[@molp6131]

frl

[@jimhall9257]

straight up baddy

[@joaquindelrio2806]

Thanks very useful

[@greenremember6847]

who else is here bc of test tmr?

[@morrisoverkamp7544]

amazing!!