The information in the chart was collected in the field while studying the effect of pH on the growth of the duckweed plant. The data shows that
duckweed has optimum growth at a pH of -

A: 6

B: 8

C: 4

D: 12

answer: you could do some invislibe ink.

explanation: i will tell you how to if u answer my question.

explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.

its first and third is your answer i did the qustion the fourth isnt right