Earth's mean surface temperature remains about the same because — A. incoming solar energy is balanced by outgoing radiation
B. more solar energy is absorbed by land than by oceans
C. most of the sun's radiation that passes through the atmosphere is infrared radiation
D. outgoing solar radiation that escapes the atmosphere is in the visible spectrum

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.

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16

Which of these transport mechanisms moves glucose from the blood into a cell? active transport diffusion facilitated diffusion osmosis