Select the letter of a category on which you should focus when proofreading.
a. strength of your lead sentence
b. who. what, when, why and how
c. conventions
d. elaboration

Explain how carbon monoxide can cause death

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

What is a number added in front of a formula in order to balance the equation