Question : Name the macronutrient which is a component of all organic compounds but is not obtained from soil.

Question : Name the macronutrient which is a component of all organic

1.	Question : Name the macronutrient which is a component of all organic compounds but is not obtained from soil.
Answer» Solution :CARBON is very useful MINERAL element. That is obtained by plants in the FORM of `CO_2` from the ATMOSPHERE. Its proportion is 0.03% in atmosphere. Plants use it for PHOTOSYNTHESIS and forms glucose.