A block is resting on a incline when the angle of an incline increases what happens to the normal support force on the block ?
A. It stays the same
B. It increases
C. It decreases

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?