Multiple choice

The macro and micronutrients are provided by

  1. air

  2. sunlight

  3. water

  4. soil
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Soil is the primary source of both macronutrients (nitrogen, phosphorus, potassium) and micronutrients (iron, zinc, copper) for plants. Air provides carbon dioxide and oxygen, while sunlight provides energy and water is a solvent, but soil contains the mineral nutrients essential for plant growth.

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