Question: Transpiration
Choices:
text: is a control method for fertilizer in roses
label: A
text: is a control mechanism for root growth in sunflowers
label: B
text: is a control mechanism for H20 in daffodils
label: C
text: is a control method for argon in peonies
label: D
Answer: C
Fact: plants control the amount of water in their leaves through transpiration