Biology, 23.06.2019 23:00, shelbysargent11
Acolorimeter is an instrument used for chemical analysis by comparing a liquid’s color with standard colors. in an experiment, a scientist used two colorimeters and noted the readings. the first colorimeter showed consistent readings that were five points lower than the actual reading. the second colorimeter provided readings that were the same as the actual reading. which two statements are implications of these readings? a. the first colorimeter is reliable but not valid. b. the second colorimeter is valid and reliable. c both the colorimeters are reliable and valid. d. the readings of the first colorimeter can be used without repeating the experiment. e. the readings of the second colorimeter aren’t reliable and can’t be used for the experiment.
Answers: 1
Biology, 22.06.2019 03:00, brianfranklin17
Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.
Answers: 2
Biology, 22.06.2019 07:20, Abrahamolve
Which best describes carbon dioxide’s path out of the body
Answers: 2
Acolorimeter is an instrument used for chemical analysis by comparing a liquid’s color with standard...
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