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.
<span>How has the Douglas-fir adapted to enable its survival in the taiga biome? a. low growing b. perennial c. waxy needles<===== d. survive on limited nutrients</span>
