In volleyball one rotation should be done when A. The server scores a point
B. The opposing team scores a point on the server

Explain which dri value would you use to make sure that the vitamin supplement that you use does not contain too much vitamin a

Which of the following can be effective in preventing the onset of viral infection in humans? a) taking vitaminsb) getting vaccinatedc) taking antibioticsd) taking drugs that inhibit transcription

Felicia has a respiratory infection and has been coughing up a lot of mucus. she knows this means that her respiratory system is working to restore balance by getting rid of the invasive materials from her lungs. how does this happen?