Q: Fact 1: Agreenhouse is used to protect plants from the cold. Fact 2: If it's too cold, some plants freeze and die. Given the two facts above, what does a greenhouse protect plants from?

Choose your answer from:
[a]. Injury
[b]. Winter
[c]. math
[d]. disease
[e]. death
[f]. sound
[g]. wind
[h]. science
The answer is:
[e].