Consuming many different fruits and vegetables that provide a broad range of essential nutrients describes what diet planning principle?

Variety

Explanation:

There are six Diet Planning Principles:

Variety refers to the consumption of a wide diversity of foods to ensure that the body is received many (if not all) the essential nutrients that are needed in a healthy diet.

In this case, the consumption of many different fruits and vegetables that provide a broad range of essential nutrients describes the variety principle of diet planning.