Answer:
If the fertilizer did not increase the yield of the crop so it means that the material the farmer used is not a fertilizer. Fertilizers has the ability to increase the yield of crops due to supply of essential nutrients that a plant requires for their growth and development.
There are two reasons if fertilizer did not work.
1) If the soil contains sufficient nutrients and you apply fertilizer so it causes toxicity and crop yield is adversely affected.
2) There are some crops like leguminous crops which make their own fertilizer through nodules. If a farmer apply fertilizer so it has no use.
Answer:
Cell membrane
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Answer:
Moose may have evolved to become larger because they could better protect themselves from predators. What other factors might have caused this? Answers vary, but may include sexual selection, warmth, parasites and disease, etc.
Explanation:
Answer:
cellulose
Explanation:
humans do not produce the enzyme necessary to break down cellulose.