Astudent wants to compare the amounts of co2 given off by yeast provided
with different amounts of sugar. the student places a balloon over each
container to catch the released co2. which observation is a quantitative
observation the student can make to compare the amounts of co2 given off?
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a. the relative size of each filled balloon
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b. the shape of each filled balloon
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c. the weight of each filled balloon
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d. the temperature of each filled balloon