World Geography Questions

Hagia Sophia is the former Greek Orthodox Christian patriarchal cathedral, later an Ottoman imperial mosque and now a museum in Istanbul, Turkey.

It was built in 537 AD at the beginning of the Middle Ages, it was famous in particular for its massive dome. It was the world's largest building and an engineering marvel of its time.

The dome of the Hagia Sophia is supported by the four pendentives of the square corners.

All are correct except 4. The Kuroshio is a north-flowing ocean  current on  the  west side  of  the  North Pacific  Ocean.  It is similar to the Gulf Stream in the North  Atlantic  and  is  part  of  the North  Pacific ocean  gyre.  Like  the Gulf  stream,  it  is  a  strong western boundary  current.  Gulf  stream  is not present in west Pacific coast

Palau has become the first country to ban reef toxic sunscreen by 2020.

Washington DC is the capital of United States located along Potomac river on the country’s East Coast.

Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the Government for a redress of grievances.