Select the chemical hazards that can be particularly hazardous to workers in confined spaces.
select all that apply

asbestos

carbon monoxide

hydrogen sulfide

welding fumes

solvent vapors

lead

Ingredients used in tobacco products been banned?

Have a friend or family member complete the questionnaire. make a prediction about that person’s wellness and justify your prediction using two or more complete sentences.

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.