Compact area that contains a large percentage of services
A. Singapore
The answer above is correct.
Singapore is a highly developed<span> first world city-state.</span>
They occur when tectonic plates shift suddenly .
The United States of America is the world's third largest country in size and nearly the third largest in terms of population. Located in North America, the country is bordered on the west by the Pacific Ocean and to the east by the Atlantic Ocean. Along the northern border is Canada and the southern border is Mexico.
<span>The equator crosses the northern portion of South America, as it is located at the center line of the Earth. South America sits primarily in the West and Southern hemispheres.</span>