What is an essential element

Options :
  1. an element that is present in the soil
  2. an element that is present in the plant
  3. an element that improves plant growth
  4. an element without which a plant will not grow and complete its life cycle

Answer and Explanation :-

Answer: Option 4


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The most wonderful and the strongest things in the world, you know, are just the things which no one can see.
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