The correct answer is: Expertise. <em>Perceptual expertise</em>.
Perceptual experts are distinguished by an extraordinary capacity to identify objects rapidly and accurately. There are several modalities of Perceptual Expertise: visual, auditory, tactil, among others.
In the present case we are before visual expertise. Although almost anyone possesses perceptual expertise to some extent, there are people who might have a stronger ability to find out what an upside down image of a symbol or an animal is about, while there are others with a great perceptual expertise to read upside down. Again, the present example says that after some practice Carol was able to read upside down, but, many of us could have this ability and are not aware of it.
The Treaty of Versailles was a treaty that ended WWI<span>.It ended the fighting between Germany and the Allied Powers. It was signed on 28 June 1919. This was five years after Archduke Franz Ferdinand was assassinated. So I would say that it was a fair treaty. BUT it was quite unfair to Germany considering that they had to accept all the blame for the war.</span>
The branch of economics which deals with the units within an economy - households, businesses and industries.
<span>Mikhail Grobachev resigned as president of the Soviet Union in December 1991 because the USSR was dissolved in December 1991. He had to resign as president because there was no country to be a president of anymore - the country changed completely and disintegrated into several smaller countries that each had its own president after a while.</span>