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>
The towers of most suspension bridges are made of steel, although a few have been built of steel-reinforced concrete.
Answer:
Portraits
is the answer pls give brainliest or something if it's right.
It was the Sistine Chapel.
Michelangelo painted the ceiling of the Sistine Chapel under the sponsorship
of Pope Julius II. Among the frescoes that he painted on the ceiling included
nine stories from the Book of Genesis, the emergence of Adam and Eve in the
Garden of Eden, the Great Flood and Last Judgment.
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