Question

what would happen if the ozone layer were significantly thinned? the uv radiation levels would decrease on earths surface. the uv radiation levels would remain the same. the uv radiation levels would increase on earths surface.

Explanation:

The ozone layer absorbs a large - portion of the Sun's ultraviolet (UV) radiation. If it is thinned, less UV radiation is absorbed, so more reaches the Earth's surface.

Answer:

The UV radiation levels would increase on Earth's surface.