If sunlight and a radio wave are both traveling through water, compare the speed of each wave. Explain how you know.

Which sentence best expresses the differing opinions of these two book reviews?

The images show the wings of a bat and a bee. from this evidence, what can you conclude about the evolutionary relationship between these organisms? a. the wing structures of the bat and the bee are different, indicating they didn’t inherit wings from a common ancestor. b. the wing structures of the bat and the bee are different, indicating they inherited wings from a common ancestor. c. the functions of bat wings and bee wings are the same, indicating they obtained wings from a common ancestor. d. the functions of bat wings and bee wings are different, indicating they didn’t obtain wings from a common ancestor.

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?