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Q. |
Which of the following is an essential element used in the synthesis of proteins and other compounds? |
A. | Phosphorus |
B. | Iron |
C. | Magnesium |
D. | Nitrogen |
Answer» D. Nitrogen | |
Explanation: Although all of the elements above are used by plants and taken up via the soil, nitrogen is especially essential and used specifically for the for the synthesis of proteins and other compounds. |
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