IDNStudy.com, kung saan nagtatagpo ang mga eksperto para sagutin ang iyong mga tanong. Ang aming komunidad ay handang magbigay ng malalim at maaasahang mga sagot, anuman ang kahirapan ng iyong mga katanungan.

Which of the following statements below categorizes operational definition?

A. Stress is a force that strains and defotms a body.
B. A paper micrometer is a small measuring instrument used to measure the thickness of piece of paper.
C. Mercury is a metal that is liquid at room temperature.
D. Rain is drop of water falling from a cloud in the sky. ​