B) herman von helmholtz
The trichromatic color theory<span> began in the 18th century, when </span>Thomas Young<span> proposed that color vision was a result of three different </span>photoreceptor cells<span>. </span>Hermann von Helmholtz<span> later expanded on Young's ideas using color-matching experiments which showed that people with normal vision needed three wavelengths to create the normal range of colors. Physiological evidence for trichromatic theory was later given by </span>Gunnar Svaetichin<span> (1956).</span>
Umm I don’t even know sooo
Many awards, can write for multiple audiences, 30 novels.
This I would say supports it best.
-800
Answer:
True
Explanation:
Hope it helps
Please mark me brainliest answer
Answer:
A bisj pole such as the one shown here was used for rituals by a people who live in New Guinea.