Answer the following question in 3-4 complete sentences. Answer the following questions about pencil drawing: - When were pencils first used? - What is graphite? - What is an HB pencil? - What happens when the H

Which source would provide the most bias-free information about smoking and increased health risks? a) a website created by heart disease patients b) a research study conducted by the mayo clinic eliminate c) a public service message sponsored by tobacco companies d) an online question forum conducted by attorneys for cardiac specialists