What type of chemical bond is present in the cl2 molecule

1) this is the structure in the cell nucleus that houses a cell's genetic information

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

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.