What is the biggest city in the world ?

Alow pressure system is formed when an air mass cools over a cool surface and sinks. true or false

Compared with the land in the highlands, the lowlands region of england a) rockier and more difficult for farmingb) the center of business and industryc)richer in coal reservesd)covered by more fertile farmland d) covered by more fertile farmland

Ineed to draw a simple map of oil where can be found on the map.