Answer:
the answer is b
Explanation:
Because I'm learning science and I looked at the answer for a while
Answer:pre-formed structures and chemicals, and by infection-induced responses of the immune system.
Explanation: brainliest?
Answer: D
Explanation:
Many unicellular organisms live in bodies of water and must move around to find food. Most often, they must obtain nutrients by eating other organisms. Plant-like protists, and some types of bacteria, can make their own food through photosynthesis.
Answer: ACID
Explanation:on the Ph scale their is acids and bass' the loewer the Ph is hte higher the acid will be