Which of these has a warming effect on earth ? a. more evaporation of water due to warmer temperature causes low, thick clouds to form. b. as snow and ice melts, the underlying surfaces absorbs more solar radiation c. earth’s ocean absorbs carbon dioxide from the atmosphere d. rising carbon dioxide levels spur plant growth cause increase carbon dioxide absorption

Which statement best evaluates the author's use of pacing in the passage? a. the author's use of pacing is not effective, because the imagery and figurative language don't adequately describe either the cheetah or the gazelle. b. the author's use of pacing is effective, because the imagery and figurative language speed up the action, making the scene come alive for the reader. c. the author's use of pacing is effective, because the long, complex sentences the reader fully understand the power and beauty of nature. d. the author's use of pacing is not effective, because the long, complex sentences distract from the sense of stress and anxiety the passage should convey.