- Ring the bark of an actively growing plant;
- Use radiactive carbon (C14) / radioactive traces; use insects sucking juices from stems like aphids;
Kavungya answered the question on September 30, 2019 at 12:44
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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(a)...(Solved)
In an investigation, the appropriate composition of plasma, glomerula filtrate and urine in a mammal was determined. The results were as shown on the table.
(a) Account for the absence of;
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Evolutionary changes take place in a population to maintain a balanced community, basing your answer on blood transfusion, explain the role played by nature on distribution of;
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Date posted: September 30, 2019. Answers (1)
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The table below shows the approximate distribution of human blood groups in a sample of 100 people in a population.
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Date posted: September 30, 2019. Answers (1)