Hi there! I hope I'm not late. The answer is D and E. I just got it right. Hope this helps ;)
Answer:
Seeds and fruits are formed by fertilization. In angiosperms, two structures are formed as a result of double fertilization – a diploid zygote and a triploid primary endosperm cell. The zygote develops into an embryo, whereas, the endosperm cell gives rise to endosperm. It provides nourishment to the growing embryo. Both fruits and seeds are an important part of angiosperms...
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They are sensitive to changes in arterial carbon dioxide, oxygen and Ph.
Explanation:
Inferences are related to observations because inferences are an explanation for an observation you have made.