Photographic paper reacts to light to produce the image taken by a camera and stored on film. Darkrooms used red lighting to allow photographers to control light carefully, so that light-sensitive photographic paper would not become overexposed and ruin the pictures during the developing process.
The shang dynasty made many contributions to chinese civilization but four in particular define the dynasty: the invention of writing, the development of a stratified government, the advancement of bronze technology, and the use of the chariot and bronze weapons in warfare.
Its the 2nd one. We learned about this!!
<span>President franklin d roosevelt referred to December 7, 1941 as "a date which will live in infamy" because on that day the Japanese bombed Pearl Harbor, which brought America into World War II. </span>
