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Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?
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Which class of molecules functions as chemical signals? hormones water carbohydrates proteins
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The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.
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By titration, it is found that 59.1 mL of 0.119 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq...
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