The author organized this passage by a comparing and contrasting the different types of energy. b describing a problem and explaining how to solve it. c sequencing the changes that energy goes through. d illustrating the law of conversation of energy with examples -reading science-energy transformation 5.6a uses of energy

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present