In the writings of _ can be found the earliest record of the uses of camera obscura

In the writings of _ can be found the earliest record of the uses of camera obscura

The earliest known written record of the camera obscura is found in the Chinese text called Mozi, dated to the 4th century BCE, traditionally ascribed to and named for Mozi (circa 470 BCE-circa 391 BCE), a Han Chinese philosopher and the founder of Mohist School of Logic.

it's d. (also remember it's produced physically,visual effects )

pitch- the definition of pitch is as follows:

"the quality of a sound governed by the rate of vibrations producing it; the degree of highness or lowness of a tone."