Which of the following has the greatest hardiness (can tolerate the lowest temperature)?

Question

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Cabbage plants are a cool-season crop that can tolerate temperatures as low as 20°F (-6°C) and are frost-tolerant. In comparison, tomato plants are only frost-tolerant down to around 32°F (0°C). Apple trees are hardy, but still have a lower hardiness than cabbage. Houseplants that evolved in the tropics have little to no cold tolerance and cannot survive in low temperatures.

Which of the Following Has the Greatest Hardiness (Can Tolerate