How did George Eastman contribute to photography?

he was an American entrepreneur and inventor whose introduction of the first Kodak camera helped to promote amateur photography on a large scale.

Explanation:

seeing as no choices were provided, i'll do my best to answer it from knowledge.

job specialization promotes work ethic to the person doing the job. he/she may be strong in the arms and able to lift things, specializing him/her in a job where you lift and carry.

equal area projections

equal-area projection. a projection in which regions on the earth's surface that are of equal area are represented as equal.