Answer: The daguerreotype is a direct-positive process, creating a highly detailed image on a sheet of copper plated with a thin coat of silver without the use of a negative. After exposure to light, the plate was developed over hot mercury until an image appeared.
Answer: b. Shorty George
Explanation:
"Shorty" George Snowden was one of the best known dancers of the Lindy Hop era, a dance he invented with his partner, Mattie Purnell. Lindy Hop involves a mix of dance moves including the traditional European partner dances and African-American dances.
George Snowden and Mattie Purnell came up with it as they danced a partner dance and got separated and in the course of coming back together, executed some new moves that became the Lindy Hop and sparked a dance revolution.
I am almost positive the answer is light, but let me know if that is wrong
