Which of the following is not one of the 3 main factors that affect your health?
-illness
-environment
-heredity
-behavior

How harmful is it to smoke a pack of cigarettes a week?

Which of the following viruses would most likely have reverse transcriptase? a) an rna-based lytic virusb) an rna-based lysogenic virusc) a dna-based lytic virusd) a dna-based lysogenic virus

What is not a proof of identity when applying for a driver's license? a) birth certificate with no seal b) certificate of us citizenship c) valid us passport d) us military photo id card