Select the correct answer from each drop-down menu. Complete the following sentence using the most appropriate words.
In a suspected case of carbon monoxide poisoning, a layer of
the air.
Is added to prevent reaction with
in the air

How do the uv rays cause damage?   what exactly causes the skin to burn;   can you be more specific about this mechanism?   3. how do photosensitive medications increase a person's sensitivity to sunlight and therefore increase their risk of getting burned?     what kind of medications can increase photo-sensitivity, can you think of some examples?

Which statement is true about common childhood infectious disease? a. children should always be given antibiotics to treat an infectious illness. b. frequency of infectious illnesses usually increases as children grow older. c. having a minor infectious illness weakens a child's immune system. d. infectious illnesses are usually mild and require no medication.

What is the best way to combat stereotypes in the workplace?