Would you rather have to live with not being able to see or not being able to taste and smell, Why? Need to be a paragraph long, This is just for fun I wanna see what yall will say

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.