A student 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 qualitative observation the student can make? O A. A description of the shape of each balloon B. A measurement of the approximate size of each balloon C. A measurement of the circumference of each balloon D. A visual count of individual CO2 molecules in each balloon PREVIOUS

The answer is letter (A): A description of the shape of each balloon

Explanation:

Qualitative observations are descriptions and not measurements or countings. For example, the shape of the balloon is a quality unlike the measurements of circunference, size or amount of molecules.

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option a and d is the correct answer

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