Is a naturally occurring gas that can be harmful to human health. a. oxygen b. radon c. sodium d. asbestos

Explain why you would or would not have a lasik surgery if you wore contacts or glasses. describe how public opinions related to this surgery have changed over the years. in your own words, explain this surgery as though you are explaining it to someone who has no knowledge of the procedure

What would a public health worker most likely encourage a community to do

Describe three ways in which technology has treat the flu