Question

5. The diagram shows the apparatus used in an investigation to measure the rate of
oxygen production during photosynthesis. The investigation was repeated several times and the average amount of gas collected was calculated. Which two factors must be kept during this
investigation?
a. The amount of water in the beaker and the height of the measuring cylinder.
b. The size of aquatic plant and the amount of gas in the measuring cylinder.
c. The size of aquatic plant and the duration of exposure to light
d. The size of the beaker and the funnel​

Answer 1

Answer:

Option B is the best answer !! but i am not sure

Answer 2

Answer:

..

Part : b is the correct answer for ur question...

Hope this will help you....

Plzz mark my answer as brainliest answer ..