What is a buffer?
a solution that can receive moderate amounts of acid or base with little change in ph
a solution that neutralizes acids and increases the ph of bases
a solution that neutralizes bases and drops the ph of acids
a solution that can receive any amount of acid or base to form a neutral solution

Which would be the most useful source of evidence to support mcneill's contention?

Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.

What contributes to the high level of biodiversity found in wetlands? a. the large amount of available organic matter to organisms that are food for larger organisms b. the amount of available water for organism use c. the high nutrient availability d. all of the above select the best answer from the choices provided a b c d