Earth is closest to the sun when it
summer in the
A Southern Hemisphere
B Northern Hemisphere
C Western Hemisphere
D Eastem Hemisphere

Next pretest: evolution select the correct answer in a laboratory population of flies, the female flies are gray and the males are yellowish gray. biologists observed that all the male flies had an equal chance for reproduction, but the male flies with the brightest colors were more likely to successfully reproduce. what phenomenon could explain such a change? a sexual selection b. disruptive selection c. stabilizing selection d. directional selection

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom

During which phase does earth see more than half of the moon's surface? 1)first quarter2)third quarter3)waxing gibbous4)waning crescent