PLEASE HELP

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. How can the student make quantitative
observations of the CO2 collected in the balloons?
A. Describe the shape of each balloon.
B. Approximate the relative size of each balloon.
C. Measure the circumference of each balloon.
D. Count the individual CO2 molecules in each balloon.

PLEASE HELP 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 co class=

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D. Is the answer you are looking for

Answer:

So others don't get confused, the answer would be Measure the circumference of each balloon

Explanation:

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