Which of the following can be contracted through contact with saliva

Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star

Aperson stands on a platform, initially at rest, that can rotate freely without friction. the moment of inertia of the person plus the platform is ip. the person holds a spinning bicycle wheel with its axis horizontal. the wheel has moment of inertia iw and angular velocity ωw. take the ωw direction counterclockwise when viewed from above. part a what will be the angular velocity ωp of the platform if the person moves the axis of the wheel so that it points vertically upward?

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?