In the nineteenth century, new technologies such as changed the understanding of the human body and the way art was made

In the nineteenth century, new technologies such as "photography " changed the understanding...

In the mid-1820s, Nicéphore Niépce initially figured out how to settle a picture that was caught with a camera, yet no less than eight hours or even a few days of exposure in the camera were required and the most punctual outcomes were extremely unrefined. The business presentation of PC based electronic computerized cameras in the 1990s before long revolutionized photography.

a is correct

hope this let me know if it is right

answer: study

explanation:

maybe if you get off your phone and start studying you might do well but that’s your decision if you want to stay in summer school