If im correct it would be A .
The conductor is in charge
A. true it is true because if you actually pay attention in class then you would get it right... jk have fun
Answer:
Lens
Explanation:
Hope this helps! Good luck with your studies :)
Cal·o·type
/ˈkaləˌtīp/
an early photographic process in which negatives were made using paper coated with silver iodide.
PROCESS ;
Calotype, also called talbotype, early photographic technique invented by William Henry Fox Talbot of Great Britain in the 1830s. In this technique, a sheet of paper coated with silver chloride was exposed to light in a camera obscura; those areas hit by light became dark in tone, yielding a negative image.