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>
Answer:
Friends
Explanation:
Friends is a bond hold together by animae shows
Im geussing false cause its just one tone of black
The best answer for this question would be:
<span>Peche Merle
Because archaeologists had easily identified the wide skills and variety of the ages of the artists before. The art in the cave had a hypothesis of powerful beasts and men, describing the what kind of era it was in the past. </span>
