Which statement is most correct about self-esteem? a. self-esteem can fluctuate depending on circumstances. b. self-esteem only fluctuates after the age of 30. c. self-esteem does not fluctuate at all throughout life. d. self-esteem begins at a very high level and decreases throughout life. select the best answer from the choices provided.

Which of these is the muscular tube that leads from the mouth to the stomach? a.epiglottisb.uvulac.soft palated.esophagus

Which of the following best reflects what we know about how the flu virus moves between species? a) the flu virus in a pig is mutated and replicated in alternate arrangements so that humans who eat the pig products can be infected.b) a flu virus from a human epidemic or pandemic infects birds; the birds replicate the virus differently and then pass it back to humans.c) an influenza virus gains new sequences of dna from another virus, such as a herpesvirus; this enables it to be transmitted to a human host.d) an animal such as a pig is infected with more than one virus, genetic recombination occurs, the new virus mutates, the virus is passed to a new species such as a bird, and the virus mutates again and can now be transmitted to humans.

List several ways that negative life events (death in the family, being laid off, etc) may affect your physical health.