Question

Which sentence does not contain any punctuation errors?

          A.

For this experiment you will need; a magnet, a piece of paper, and a steel washer.         B. For this experiment you will need: a magnet, a piece of paper, and a steel washer.         C. For this experiment you will need a magnet, a piece of paper, and a steel washer.         D. For this experiment you will need, a magnet, a piece of paper, and a steel washer.

Answer 1

A is correct (: hope you do good

Answer 2

I would like to say B because it includes the colon after you will need. The commas are correct too.