Um...help me plz. NO LINKS OR TROLLS

Ineed an essay 1200words about obezity ,introduction,main causes,conclusion

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.

Which food preservation method can people use at home? a. fermentation b. irradiation c. pasteurization d. thermal processing