all of these Question Completion Status: QUESTION 4 10 points Which of the follo

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Question Completion Status: QUESTION 4 10 points Which of the following statements about coal is true? O Coal is formed from ancient angiosperm forests O Coal sucks up CO2 when burned Coal is used to generate about 9% of US power O Coal formation contributes to global warming O None of the above QUESTION 5 10 points What is the function of the stomata? O Helps in the exchange of sugars between the interior of the plant and the environment O Helps in the exchange of gases between the interior of the plant and the atmosphere O Allow insects to enter the plants and provide nutrients O Fits the plant like a skin in order to protect the plant from gaining too much water from the environment QUESTION 6 10 points S If you harvest 1 corn cob (or" ear") from a corn plant that contains 300 kermels, which of the following statements about this particular corn cob is true? O 150 male gametophytes were involved in forming the 300 kernels of corm 600 male gametophytes were involved in 300 fertilization events O300 male gametophytes were invovled in 600 fertilization events O 150 male gametophytes were involved in fertilzing 300 female gametophytes O 150 female gametophytes were involved in 150 fertlization events Click Save and Submit to save and submit.Click Save All Answers to save all answers. Save and Save All Answers

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all of these Question Completion Status: QUESTION 4 10 points Which of the follo

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