The correct option is B Copper
Nutrients are very important for the growth and well-being of the plants. Some nutrients are supplied in large quantities and some in small quantities. Nutrients supplied in large quantities are called macronutrients. Macronutrients are nitrogen, phosphorus, potassium, calcium, magnesium, and sulphur. Nutrients supplied in small quantities are called micronutrients.Micronutrients are iron, manganese, boron, zinc, copper, molybdenum, and chlorine.