Lucy sets up an investigation by placing a plastic bag over a plant. She secures the plastic bag so that it is completely sealed and nothing can enter. She observes the plant daily to see if it remains green and healthy.

Which TWO questions is her investigation designed to answer?


a
Can the plant perform photosynthesis without a large supply of oxygen?
b
Can the plant perform respiration without a large supply of carbon dioxide?
c
Can the plant perform photosynthesis faster than a plant that is not sealed?
d
Can the plant perform respiration faster than a plant that is not sealed?
e
Can the plant perform photosynthesis without a large supply of carbon dioxide?
f
Can the plant perform respiration without a large supply of oxygen?