Question

Read this topic sentence:

Birds are often identified by their common traits: feathers, beaks, and lightweight skeletons.

Which detail best supports the topic sentence?

A.
All birds lay eggs with hard shells.
B.
Some birds, such as penguins, ostriches, and emus, do not fly.
C.
Birds can be raised for food on domestic or commercial farms.
D.
Bird feathers are used for flight, camouflage, and warmth.
E.
Some birds eat only plants, while others eat meat.

Answer 1

Answer: B.  Some birds, such as penguins, ostriches, and emus, do not fly.

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Answer 2

Answer:

b some bird,such as penguins, ostriches and emus ,don't fly