How can air pollution effect humans?

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

Differentiation of cells changes the nucleic information. true false

The mammal pictured below is a silvery mole rat. which statement is an inference based on the picture? the animal is ugly. the animal has hairless feet with sharp claws. the animal has prominent upper and lower incisor teeth. the animal likely has poor vision since its eyes are so small.