Physics, asked by mrani42, 6 months ago

QUESTION 12.1 What factors were delibentely varied in the scientific study mentioned in the article No' for each of the following factors. Was this factor deliberately varied in the study? Yes yor hline The number of insects in the environment​

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Answered by bhabanisankar123
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Phloem is responsible for transportation of food. Phloem is composed of sieve tubes, companion cells, phloem parenchyma and bast fibres. Sieve tubes are the conducting elements in phloem.

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