Question

when explaining this passage to someone else, which detail about full spectrum bulbs would be least important to mention?
they could save you money over time.
they can be beneficial to your health.
they make colors appear more true.
they are increasing in popularity.

Explanation:

The key aspects of full - spectrum bulbs usually relate to functionality like cost - savings, health benefits, and color accuracy. Popularity is a more peripheral detail compared to these core characteristics.

Answer:

They are increasing in popularity.