20 points + brainliest answer included! why are we, as humans, unable to see ultraviolet light? 5-10 sentence paragraph !

 - Most Sunlight is in the visible band from 0.38μ (which we see as violet) to ... but please interpret these symbols to include all the radiation in their respective Approximately 6% of the energy spectrum, hard uv, is absorbed by the upper the 5-10 micron region at a similar intensity to CO2 (10^-20).