1938 hitler demanded self-determination for all Germans in Austria
I would think its A. the rest of the options are for people that can stand still and focus.
The inhalation of mercury vapor can produce harmful effects on the nervous, digestive and immune systems, lungs and kidneys, and may be fatal. Mild, sub-clinical signs of central nervous system toxicity can be seen in workers exposed to an elemental mercury level in the air of 20 μg/m3 or more for several years.
Answer:
Because it does. No other answer. This is one of those Impossible to Answer questions from college.
