The etymology of the word ‘preamble' explains that it comes from Old French and Latin words that mean ‘going before,' that is, ‘preceding'. Explain briefly how today's usage of ‘preamble' demonstrates the meaning of ‘going before.'

Calvin is a 12-year-old boy. due to pressure from his friends, he has started consuming certain toxic materials that are addictive and harmful. calvin is a victim of what type of abuse? a. sexual b. substance c. physical d. emotional

An _ exposure is a repeated or prolonged exposure(over months or years) that may bring about slowly developing symptoms.

Hiv is inactivated in the laboratory after a few minutes of sitting at room temperature, but the flu virus is still active after sitting for several hours. what are the practical consequences of these findings? a) hiv can be transmitted more easily from person to person than the flu virusb) the flu virus can be transmitted more easily from person to person than hivc) this property of hiv makes it more likely to be a pandemic than the flu virusd) disinfecting surfaces is more important to reduce the spread of hiv than the flu