Answer:
C. a blacktop highwayl hope it helps
What changes does sugar undergo when heated in a spoon over the flame?
Answer:
Explanation:
a physical change and then a chemical change
Answer: Sugar is made of carbon, hydrogen and oxygen atoms. When heated over a candle, these elements react with the fire to turn into a liquid. The heat causes the sugar's atoms to combine with the oxygen in the air, forming new groups of atoms. Energy is released in this chemical reaction in the form of smoke and black soot.
Explanation: