Asbjørn 'Bear' Riis, Danish professional wrestler
Bjarne Riis (born 1964), Danish former professional road bicycle racer, now the team owner and manager of Danish UCI ProTour outfit Team CSC
Fredrik Riis (1789-1845), Norwegian county governor
Jacob Riis (1849-1914), Danish-American muckraker journalist, photographer, and social reformer
Nelson Riis (born 1942), businessman and former Canadian politician and New Democratic Party (NDP) Member of Parliament
Povl Riis, gastroenterologist
Answer: Antarctica
Explanation: According to NOAA.com "What we call the ozone hole is a thinning of the protective ozone layer in the stratosphere (the upper layer of Earth's atmosphere) above Antarctica that begins every September. Chlorine and bromine derived from human-produced compounds are released from reactions on high-altitude polar clouds."
San Francisco earthquake of 1906 <span />
Answer:
-The Continental Crust is less than 10 km thick
The Continental Crust is less than 10 km thick, with the thickest section being at most 8 KM. The continental crust is made up of granite, sedimentary matter and rocks. This composition is less dense than the Earth’s mantle, which allows it to float over the mantle
Explanation: