विश्व की दो-तिहाई जनसंख्या किस अक्षांशीय क्षेत्र में निवास करती है?

Consider the following statements regarding world population distribution: (a) The majority of the world's population lives in the Northern Hemisphere. (b) Extreme climates discourage permanent settlement. (c) Technological development has completely removed environmental constraints. (d) Fertile plains favour dense population. Which of the above statements are correct?

Approximately what percentage of the world's population lives on about 10% of its land area?