Which of the following can be inferred about mammals and birds.
A.They preceded the dinosaurs.
B.They could not survive the chilly temperatures
C.Most have either fur or feathers over their bodies.
D.They were too large to hibernate.
A.They preceded the dinosaurs.
B.They could not survive the chilly temperatures
C.Most have either fur or feathers over their bodies.
D.They were too large to hibernate.
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