Which of these are mental skills which of these mental skills that develop during infancy? Check all that apply.
the ability to breathe
the ability to talk
the understanding of object permanence
the ability to hear
the ability to display a range of emotions

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