A unhealthy pyramid will have a lot of foods with calories. For instance, junk food. You are okay with eating one calorie filled food. But if you are constantly eating junk food with no healthy food included, that will give you a unhealthy pyramid.
(I have added a picture if you cannot imagine in your brain how it will look like.)
okay so to me I think a unhealthy pyramid may look like:
Explanation:
its mostly junk food and unhealthy things that are not good for your health or body. if you were referring it to that! I hope this answered your question!
