One might experience on mt. kilamanjaro. a. extreme heat c. extreme cold b. heavy rainfall d. high winds

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Seed plants that lived during the carboniferous impact life on earth today because a. they are the ancestors of all plant life on earth. b. their remains formed coal, which is an important resource. c. they produced fossils that are used to date many geologic events. d. their presence caused oxygen levels to drop, allowing animals to evolve.

:calculate the sum of the interior angles of a 13-sided polygon.