Question

Mammals are characterized by

A. warm-bloodedness and feathers.
B. hair and feathers.
C. mammary glands and hair.
D. hair and shelled eggs.

Answer 1

C. mammary glands and hair.

Just did the test and got it right

Answer 2

For this question, you should know that Mammals do not have feathers so the answer cannot be A or B
Also they do not have eggs. So the answer cannot be D
So the answer is C :)))
I hope this is helpful
have a nice day