Question

which of the following is an example of a quantitative observation? the bird is colorful. the bird sings beautifully. the bird is friendly. the bird has a long wingspan.

Explanation:

Quantitative observations involve measurements or numbers. "The bird has a long wingspan" can be measured numerically (e.g., in centimeters), while the other options are qualitative (describing qualities like color, sound - beauty, and behavior - friendliness).

Answer:

The bird has a long wingspan.