Answer:
An acid increases the concentration of H+ ions. A base is a substance that releases hydroxide (OH-) ions in aqueous solution, donates electrons and accepts protons.
Acid:Lemons, oranges, vinegar
Base:Soap, toothpaste, bleach, cleaning agents, limewater,
Explanation:
Answer Hola! my name is marissa and im here to help !
Explanation:
sinanthropus means "man or peking-man" while chimpanzee is a species of ape
Explanation:
Fixed> materials for used production, machinery
Variable> Employee salary, wages, rent