Answer:
B. a substance that can donate an H+ ion
Explanation:
True! Earth is beginning to become very overcrowded and combined with the amount of people of the planet and the carelessness that they all have for it, the earth is slowly beginning to show it's age. Of course, no one will act on this opinion, because it is quite illegal to just kill people, but it is true!
Answer:
Oils repel water, so it helps these animals keep their fur dry, which helps them stay warm.
