Correct Answer: Option A

Explanation

The elements needed for chlorophyll formation in plants are iron, magnesium, and nitrogen. 

Explanation

• Iron: Helps synthesize chlorophyll and maintains the structure of chloroplasts, which contain chlorophyll 
• Magnesium: An essential component of chlorophyll, which is a vital pigment for photosynthesis 
• Nitrogen: Helps plants produce chlorophyll 

Chlorophyll is a green pigment found in the chloroplasts of plants and algae. It's essential for photosynthesis, which is the process by which plants convert light energy, carbon dioxide, and water into sugar and oxygen. 

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