They work by neutralizing the stomach acid that causes heartburn. You can buy many antacids without a prescription. Liquid forms work faster, but you may like tablets because they are easy to use.
# of protons + # of neutrons = mass
9 + 10 = 19
the answer is D
Color, the other answers arent changing the substance into something different
Answer:
acid rain is a type of mixture that has a chemical substance that harms people, and can lead to possibly death.
Explanation: