Does true love exist?? Don't say yes otherwise i will report you for false information​

Which of the following processes within viral replication is the greatest source of genetic variation in rna virus populations? a) high mutation rate due to lack of proofreading of rna genome replication errors.b) transcription from the host cell rna polymerase introduces numerous mutations.c) capsid proteins from the host cell can replace the viral capsid.d) viral rna is translated by host cell ribosomes.

Anti-smoking ads are an example of a) the influence of friends b) the influence of family c) the influence of media d) the influence of teachers

Hey! my question is: how many calories does it take to burn off and loose 1 if would be gladly appreciated if some one me in this! : )