A homeowner has installed an outdoor gas-burning grill on her back patio next to her favorite camellia bush. After the first few nights of using the grill, she notices that the camellia is beginning to lose its leaves. Which of the following is the best explanation for what is happening?
A) The bush is getting too warm next to the grill.
B) Ethylene is a by-product of the burning gas and is causing senescence in the plant.
C) Abscisic acid is a by-product of the burning gas and is causing senescence in the plant.
D) The plant is a biennial and is bolting.
E) Auxin production is being inhibited.
Correct Answer:
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