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Select the correct answer. What is the function of the urinary system? A. exchange of gases B. excretion of waste food C. removal of harmful substances D. conduction of impulses
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Draw the structure of dna nucleotide with adenine as nitrogenous base
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Which of the following is not a potential result of deforestation?
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Consider the following reaction: 2h2 + o2 —> 2h2o a) what are the reactants in this reaction? b) what are the products in this reaction? c) how many molecules of oxygen are used in this reaction?
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Describe the change in phase and temperature as water moves from the oceans to the atmosphere and then returns to earth again as rain. a) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature decreases b) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature increases c) evaporation : temperature decreases; condensation : temperature decreases; precipitation (rain) : temperature decreases d) evaporation : temperature increases; condensation : temperature increases; precipitation (rain) : temperature decreases
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Select the correct answer. What is the function of the urinary system? A. exchange of gases B. excre...
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