What happens to the radiation that is soaked up by the atmosphere and Earth's surfaces? A. It changes into UV and greenhouse gases send it back to Earth.

B. It changes into IR and greenhouse gases send it back down to heat Earth.

C. It changes into greenhouse gases and gets released into space.

D. All the IR escapes into space.

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.