3. The statement to every reaction there is an equal and opposite reaction
a. the law of conservation of momentum c. Newton's second law of motion
b. Newton's first law of motion
d. Newton's third law of motion

Ateacher gives students four liquids commonly found in the kitchen - vinegar, apple juice, dish detergent, and milk - and ph indicator strips, which measure acidity. the teacher asks the students to put the liquids in order from most acidic to most basic. what type of investigation could the students conduct to determine the correct order for the liquids?