Answer:
instant feedback over the telephone. You have to wait for a reply when leaving a message
Explanation:
Oxygenated (arterial) blood is bright red, while dexoygenated (venous) blood is dark reddish-purple. The difference is color results from the electronic state of the iron ion (ferrous vs ferric), which in turn influences the π → π* and n → π* electronic transitions of porphyrin and hence its optical characteristics.
Answer:
For infant and child resuscitation, current basic life support guidelines recommend a compression depth of one third to one half of the anteroposterior chest diameter
Explanation:
C.an emotion that is expressed by people in all cultures
