Answer:light bulb electrical energy to light energy alarm clock electrical energy to sound energy riding a bike electrical energy to chemical energy roller coaster electrical energy to mechanical energy
Light bulb electricity energy alarm clock electrical energy to sound energy riding a bike electrical energy to chemical energy roller coaster electrical energy to mechanical energy
The correct answer is A. A buffer is a substance that resists small change in the acidity of a solution when an acid or base is added to the solution. Usually, a buffer involves a weak acid or a weak alkali and one of its salt.