Answer:
The sugar molecules in the marshmallow are being changed into carbon. Sugar can be changed into water molecules. When you toast marshmallows, the heat causes a chemical reaction producing water molecules which then evaporate, leaving the carbon behind.
Explanation:
The correct answer is: True
Answer:
Air pollution will increase due to increased use of fossil fuels and the amount of natural space will decrease as suburban areas increase.
Answer:
In an allergic response, which substance initiates inflammation?
Histamine initiates inflammation in an allergic response
Explanation:
Histamine is a chemical that is being released during allergic response which initiates inflammation