Please help! Super easy, I just forgot!
Fill in the two blanks

The answer is d.potassium

Heat is involved in chemical change in two ways; chemical changes either result in heat being added to or removed from an object, and chemical changes require a certain amount of heat before they can take place.

Answer heart of american                  live in harmony                    hillsides of orchards                    blaze of color                    backdrop of pines;

The correct answer should be a.