Answer
The match for #1 "a" --micronutrients
Work Step by Step
Proteins, carbohydrates and lipids are the so-called macronutrients. Other important nutrients that the body needs in small amounts are called micronutrients. Examples of micronutrients are calcium,iron, zinc, copper, potassium, sodium, chromium, iodine, Vitamin C, Vitamin D, folic acid, Vitamin B 12, riboflavin, thiamin, lutein and lycopene.
