Question

unit review - energy use
environmental benefits. choosing led bulbs is a practical
and environmentally friendly way to contribute to energy
conservation and reduce the ecological footprint
associated with lighting.

what is an intermediate step in the evolution of
light bulbs, between incandescent bulbs and
led bulbs?

led lights

incandescent lights

fluorescent lights

Explanation:

Fluorescent bulbs were developed as an energy-efficient alternative after incandescent bulbs, preceding the widespread use of LED bulbs, making them the intermediate step in the evolution of light bulbs.

Answer:

fluorescent lights