Respuesta :

Kaj314

Answer:

Add a semicolon there.

Explanation:

The semicolon divides two separate thoughts.

Hi1315

Answer:

Louis - Jacques- Mandé Daguerre and Nicéphore Niépce invented the first successful photographs in the 1830s. Niépce initial effort required eight hours is exposure time ; Daguerre's required only twenty or thirty minutes.

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