Which of the following is an example of qualitative
a each mouse in the study lived for 3 years.
b each mouse in the study was 75 cm long.
c each mouse in the study has brown ears.
d each mouse in the study ate four times a day.

Option =C each mouse in the study has brown ears.

Explanation:

Qualitative:

Qualitative properties are those that can be only observed but not measured in numerical values. These are observed through senses: touch, sight, smell, taste and hear.

For example:

Color, odor, brittleness, taste etc.

Quantitative:

Quantitative properties can be measured in numerical values.

For example:

Melting point, boiling point, conductivity, viscosity, density, hardness and solubility.

In short we can say that qualitative is a measure of quality while the quantitative is a measure of quantity.

the answer is c i believe