The coldest temperature in winter and the lavish temperatures in summer are found over the continents. The isotherm, while passing from continents to oceans; get distorted at their margins. In the eastern part of the North Atlantic, the isotherm shows a larger amount odd deviation toward north due to the combined effect of the warm ocean currents of the Gulf Stream and the North Atlantic Drift, and the southerly winds.
The San Bushmen are nomadic hunter-gatherers who inhavit the Kalahari Desert.
Xi'an, China
34x60n.miles=2,040 nautical miles
109x60n.miles=6,540 nautical miles
2,040+6,540=8,580 nautical miles. (this one is closer)
Los Angeles, USA:
34x60n.miles=2,040 nautical miles
118x60n.miles=7,080 nautical miles
2,040+7,080=9,120 nautical miles. (this one is further)
Where tectonic forces occur, earthquakes occur due to vibrations caused during impact of tectonic plates. Volcanoes are formed when lava forms are exposed during impact of tectonic plates.