You would add H+ ions if you added an acid. Thus lowering the pH.
Answer:
Genetically diverse population, with some rabbits able to survive with fewer water resources than usual
Explanation:
I took the quiz and got that answer
B. Second level consumer because it is not a plant(producer). It is not a decomposed and it is eating the mouse , a first level consumer .
Answer: C
Explanation: I'm not one hundred percent sure I know the context of this question, but biodiversity in an ecosystem means there's a wide variety of organisms, and a hotspot I assume would be an area that has an unusual amount of diversity.