The control group in an experimental study will

There are weak or strong attractive forces between atoms of liquids with a high viscosity

What are two different ways you could find the value of a? explain these methods.

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?