Vishmie Sachinthanee

Hay guyz Palezz Spak Anglesh Wath mes Becxo Mys Anglesh iss Veryies Gooodies!!! Palzz takes tutoioners froms mes yous wuds gets *a(*A) and dasktanctions

what should john do to make his investigation more reliable ? this was a question in P1 biology. I wrote he should repeat the experiment or should set up a control. i am right ? right? please tell me i am right? lol :S

*Hi5*
Im from Oman to x) <3