Chemistry, 07.07.2019 19:30 AeelynRamos
Ann, bob and charlie are testing to see if putting sugar in the water flowers last longer. they buy six roses and place three in containers with plain water and three in containers with sugar water. they record the time before the first petal falls off. the ones in sugar water lasted only slightly longer than those in plain water. before concluding that adding sugar to the water does not have a significant affect on how long flowers will last, what should they do? a) use warm water in each container. b) run more trials for the experiment. c) try salt in the water instead of sugar. d) try different amounts of water in the containers.
Answers: 1
Chemistry, 22.06.2019 07:30
11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
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Chemistry, 22.06.2019 13:30
Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering
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Ann, bob and charlie are testing to see if putting sugar in the water flowers last longer. they buy...
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