English, asked by yuvrajkale2017, 3 months ago

a) The period of time in history before information was written down
b) A picture that is made by using a camera that has a film sensitive to light inside it​

Answers

Answered by inayaparween00
0

Answer:

all event of the past

Explanation:

the sensitive elements in the film are crystals. when a photo of light strikes a grain it.

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