What is the correct way to punctuate this sentence ?

Which of the following is a secondary source? o a biography of a playwright ob. historic photograph o c. antique weapon od. census data and statistics

Need plato answers asapselect all the correct answers.you are about to proofread your essay before turning it in. which of the following strategies should you use to maximize your effectiveness? 1. use only red pen for marking your mistakes.2. remember to look for mistakes you have made in the past.3. remember that, many times, teachers let small mistakes go.4. proofread backward, beginning from the end of the essay.5. look mostly at the introduction and conclusion.

Jamal english, mandarin and a bit of arabic. a. speaks b. speak c. speaking d. is speaking