Ii. Explain why hybrid breakdown is sterile whereas Triticum aestivum is fertile ?​

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.

d. changes in climate and historical records

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