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Biology, 22.06.2019 06:30
Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food
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Biology, 22.06.2019 11:00
Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit
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Biology, 22.06.2019 14:00
Scientists are conducting a study on the effectiveness of a new drug on memory loss. they are giving some of the test subjects the new drug to find out if it improves their long-term memory. which are possible limitations of this study? check all that apply. a) test subjects may want to participate in additional experiments. b) test subjects may think they should be paid more. c) test subjects may get bored and want to quit early. d) test subjects may have to travel during the experiment. e) test subjects may have full-time jobs. this is multiple choice. you for the !
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Mathematics, 25.08.2019 07:50
Mathematics, 25.08.2019 07:50
Mathematics, 25.08.2019 07:50
English, 25.08.2019 07:50
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Chemistry, 25.08.2019 07:50
Mathematics, 25.08.2019 07:50
Mathematics, 25.08.2019 07:50
Mathematics, 25.08.2019 07:50
Mathematics, 25.08.2019 07:50
Mathematics, 25.08.2019 07:50
Geography, 25.08.2019 07:50
Geography, 25.08.2019 07:50
Mathematics, 25.08.2019 07:50