In my option ion I believe the answer would be: B.A Society.
The things that are true about Stonehenge is that it's an accurate solar calendar, it was built in three phases, and some stones weigh as much as fifty tons.
The answer is "mass media".
Answer:
Are you looking for english translation?
Explanation:
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>