I believe the answer is UNAIDS. hope this helps!
Answer:
Many plant crops need more phosphorus than is dissolved in the soil to grow optimally. In addition, crops are usually harvested and removed – leaving no decaying vegetation to replace phosphorus. Therefore, farmers replenish the phosphorus ‘pool’ by adding fertilisers or effluent to replace the phosphorus taken up by plants.
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Answer:
The paramecium have a higher chance of survival when grown separately. Besides the chart, we can assume that the reason this is possible is that they have easier access to more resources, like food and water.
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