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Affects on Food Availability. TNC’s. To Do: HOMEWORK Read pages 440-443 2.Write down the efficiency ratios for the different types of agriculture practices. 3.Explain the concept of sustainable agriculture in terms of energy efficiency ratios and sustainable yields.

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To Do:

HOMEWORK

Read pages 440-443

2.Write down the efficiency ratios for the different types of agriculture practices.

3.Explain the concept of sustainable agriculture in terms of energy efficiency ratios and sustainable yields.

(Conserving an ecological balance by avoiding depletion of natural resources)

4.Complete questions on page 443 questions 1-4


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