More than half of all teenagers who have tried alcohol also have used illegal drugs. true or false?

Which action is part of becoming involved in community health? a) supporting regional health efforts b)selecting reputable health providers c)creating new health issues to address d)traveling to new regions to promote global health plz i need to graduate

Write a paragraph about why the respiratory system is important and we need to breathe easily. (guys i really need ) x(

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.