What is the effect of using this lens on the appearance
of the cells?

A microscope is an instrument that magnifies an object. Most photographs of cells are taken with a microscope, and these images can also be called micrographs. The optics of a microscope's lenses change the orientation of the image that the user sees. Hope it helps

Explanation:

african americans demonstrated their newly found freedom by relocating often in search of relatives whom they had been separated from during slavery. others established schools to educate freed people and they built institutions such as churches and political organizations to advocate for their rights.