Africa is the second-largest continent in the world with 6% of the total geographical area and 20.4% of the land area of the world. It is surrounded by Mediterranean sea to the north, the Indian Ocean to the southeast, the Atlantic Ocean in the West, and the Suez Canal and the Red Sea in the northeast. It has a tropical and subtropical type of climate. It is the hottest continent in the world.

World's largest peak Mt. Everest is located in north of Asia. It is about 8,850m above sea level. It is located at 27degree 59' 16" N latitude and 86 degree 55' 46" E longitude. It remains snow capped.This peak was first located by George Everest. In the year 1865,this peak was named after Sir George Everest.

Pacific Ocean lies in the East of Asia .The Pacific Ocean is the largest ocean in the world having 1/3 of the globe,extends from east to west for 16,000km from the East coast of Asia in the West to the West coast of America's in the East and for 14,880km north to south between Bering Strait in the north to Cape Ader (Anteractica) in the south. Average depth of the ocean is 4,572m.

Mount Everest is the highest peak in the world, which is 8850m above sea level. It remains snow-capped, located between 27degree 59' 16" N latitude and 85 degrees 55' 46" E longitude, this sky touching peak was first located by George Everest. In 1852 it was named as Mount Everest as a tribute to Sir George Everest.

Indian Ocean is the third largest ocean in the world. It has Asia in the north , Africa in the West, Asia in the east, Australia in the south-east and Antarctica in the south. The ocean has contact with the Pacific and the Atlantic Ocean in the south near Antarctica. The average depth of the ocean is 4,000m.

Mediterranean sea is the almost enclosed sea. It is located in 30 degrees to 36-degree latitude and 6 degrees to 36-degree longitude. It covers about 2.5 million square km and the average depth is 1,500 square km. It is surrounded by south by Africa, north by Europe, and east by west Asia.

Indian Ocean lies in the east of Africa. It is the third largest ocean in the world. It has Asia in the north, Africa in the West, Asia in the east, Australia in the south-east and Antarctica in the south. The average depth of the ocean is 4,000m.

Nile is the world's  longest river located in continent Africa. It is a north flowing river. It is 6,853 km long and 2.8 km wide with a depth of 8.11m. River Nile has two major tributories, namely, White Nile and Blue Nile. In Sudan and Egypt Nile is the primary source of water.

Suez Canal is a artificial water way which connects Mediterranean sea and the Res sea. It is opened in the year 17th November 1869. The length of the canal is 198.30km. The canal was made and also maintain by Suez Canal authority of Egypt. This canal plays very important role in world trade.

Amazon rainforest are found in south America. It is the largest biodiverse tropical rain forest of the world. It covers an area of 5,500,000 square km.This is a evergreen forest.

The continent Europe and Asia are together known as Eurasia. This is the largest landmass on the surface of the earth covering an area of 55,000,000 sq km. It is about of 36.2% of the earth. This two continents together supports 70%of the world population.

North America is the third largest continent in the world. It mainly comprises of Canada, the USA and Mexico. It covers 16.5% of the land area and 4.8% of the surface of the earth. North America is an area of great diversity. Because of its large size and latitudinal extent, North America has a wide range of climate. North America is one of the richest continent, in has various resources in the world.

The world's second-largest ocean is the Atlantic Ocean lies in the West of Africa. It has North and South America in the West and Europe and Africa in the east. It covers an area of 82,000,000 square km, which is 1/6th of the geographical area of the globe and half of the Pacific Ocean. The Atlantic Ocean was formed due to the drifting of North and South Americans to the West due to plate tectonic.

The Isthmus of Panama is the narrow strip of land that lies between the Caribbean Sea and the Pacific Ocean, linking North and South America. It contains the country of Panama and the Panama Canal. Like many isthmuses, it is a location of great strategic value.

Antarctica is located in the southernmost part of the world. It covers an area of 14,000,000 square km and is the fifth-largest continent of the world. 98%of the total geographical area is covered by ice which is at least 1.6km thick. 90% of the total ice of the world found here. As the continent is fully covered with ice it is also known as a white continent.

Siddhanta Shiromani (Crown of treatises) is the major treatise of Indian mathematician Bhāskaracharya II. He wrote the Siddhanta Shiromani in 1150 when he was 36 years old. The work is composed in the Sanskrit Language in 1450 verses.

Eratosthenes calculated the actual circumference of the earth in the 3rd century CE. He was a Greek scientific writer, astronomer, and poet. His work is comparable to what is now known as the study of geography, and he introduced some of the terminology still used today.

Aryabhatta born in 476 AD and died in 550 AD, was a great mathematician and an astronomer. In the 5th century, he told that the earth is not stationary.

The first European to sight the Australian continent was Dutchman Willem Janszoon in 1606, along the coast of Cape York Peninsula. The Dutch mapped the northern coastline, referring to the continent as “New Holland".

Australia is the sixth largest country in the world by area and the largest country in Oceania, the largest borderless country, as well as the largest country wholly in the Southern hemisphere. The five largest countries are Russia, Canada, USA, China, Brazil. India is the Seventh largest country.

The smallest continent by land area is Australia with 9,008,000 (km2) which represents just 6% of the total land area in the world. The largest continent in the world is Asia.

The final constitutional ties between the United Kingdom and Australia ended in 1986 with the passing of the Australia Act 1986.

Australia became an independent nation on 1 January 1901 when the British Parliament passed legislation allowing the six Australian colonies to govern in their own right as part of the Commonwealth of Australia.

In 1770, Captain James Cook reached the east coast of Australia, making landfall at Point Hicks, and then proceeding to Botany Bay. The expedition continued northward along the Australian coastline, narrowly avoiding shipwreck on the Great Barrier Reef.

The Arctic Ocean lies in the north of Asia bounded by America and Europe. It has a D-shaped form with an average depth of 3500m. and an area equal to 1/12 of the Pacific Ocean. The Arctic Ocean is almost frozen and 15 feet permanent thick ice is found due to which there are difficulties of exploring the bottom.

Asia is the largest continent in the the world covering 9% of the total geographical area of the earth and also 30% of the total land area.  This largest continent Asia supports  60% of the total population of the world. It located northern and eastern hemisphere. Asia has vast divercity in terms of culture, environment,ethnic group,historical background and aslo government types.

• Antarctica is the southernmost continent and it is in 1820 the man first set his foot in this region. It is uninhabited continent. The people living in this continent are those belonging to research groups of different countries.
  
• It is the continent that has lowest human population. The population is around 4000 in summer and 1000 in winter. This population is constituted by research teams of various countries. About 30 countries maintain about seventy research stations in Antarctica.
  

• Antarctica is the third smallest continent of the world.
  
• It was in 1820 when the human first set foot in Antarctica.
  
• Antarctica is the southernmost continent of the earth. It has animals like penguins, seals, whales and other number of species of plants and animals.
  
• Largest glacier in the world Lambert glacier is in this continent.
  

• Dakshin Gangotri is an Indian first research station established in Antarctica. It was established during third Indian expedition between 1983-84.
  
• An automatic weather recording station was set up here. The station is also used to conduct tests on radio waves in Antarctica. Other functions of the Dakshin Gangotri included observations of physical oceanography, the chemistry of the freshwater lakes around, biological traits of the land, biological traits of the water, geology, glaciology and geomagnetism of the area.
  

• Antarctica is the southernmost continent of the earth. It is the coldest, driest and windiest continent in the world.
  
• It has very low temperature throughout the year. The average annual temperature is −57 °C and temperature as cold as −93.2 °C is also recorded in this region.
  

Rainwater harvesting is the process of collecting rainwater from rooftops and directing it to an appropriate location and storing it for future use. Effective rainwater management depends on the collection of rainwater and harvesting of rainwater. Irrigation of field is watering of the fields so it cannot be included in the rainwater harvesting technique.

Though there were many theories that stated the existence of Antarctica, it was only in 1820 when the human first set foot in this place. The first landing was probably just when American Captain John Davis, a sailor, set foot on the ice.

• Antarctica is the southernmost continent of the earth. It is the coldest, driest and windiest continent in the world.
  
• It has very low temperature throughout the year. The average annual temperature is −57 °C and temperature as cold as −93.2 °C is also recorded in this region.
  
• That is the reason why it is composed mainly of ice with some exposed land.
  

• Antarctica is the southernmost continent of the earth. It is the coldest, driest and windiest continent in the world.
  
• It is the continent with the highest mean elevation in the world. It has an average elevation of 7,545 feet above sea level. The elevation of Antarctica at the South Pole is 9,300 feet. The tallest mountain peak in Antarctica is Mount Vinson, which lies at a height of 16,050 feet.
  

• Largest glacier in the world is Lambert glacier. It is located in the southern most region of the earth which is Antarctica.
  
• The glacier has been measured to be 8,200 feet (2,500 meters) deep at its centre
  
• Lambert glacier moves at a rate of 400 to 800 metres per year.
  

• Antarctica is the southernmost continent of the earth. It is the coldest, driest and windiest continent in the world.
  
• It has mostly katabatic winds which means a wind that carries high density air from a higher elevation down a slope under the force of gravity.
• Such winds are sometimes also called fall winds.
  

• Antarctica is the southernmost continent of the earth. It has animals like penguins, seals, whales and other species of plants and animals.
  
• Polar bears are native to Arctic Circle.
  

• Antarctica is the southernmost continent of the earth. It has animals like penguins, seals, whales and other number of species of plants and animals.
  
• The largest animal of Antarctica is a wingless animal known as Belgica Antarctica which is 13mm or 1.3 cm long.
  
• All the other, larger, animals in Antarctica are considered marine animals.
  

• Antarctica is the southernmost continent of the earth. It is the coldest, driest and windiest continent in the world.
  
• But it was not the case before a few million years ago. It used to be tropical. There is no proper explanation behind the cooling of Antarctica. But it is believed that reduction of carbon dioxide levels led ice to be in frozen state even during Antarctica summers.
  

The Giant Panda, is a native to South Central China. It is easily recognized by the large, distinctive black patches around its eyes, over the ears, and across its round body. It is widely used within China in international contexts, for example as in the Beijing Olympic .

Antarctica is the southernmost continent of the earth. It is the coldest, driest and windiest continent in the world. It was in 1820 when the human first set foot in this place.

It is the continent that has lowest human population. The population is around 4000 in summer and 1000 in winter. This population is constituted by research teams of various countries.

Antarctica is the southernmost continent of the earth. It is the coldest, driest and windiest continent in the world. It was in 1820 when the human first set foot in this place.

Among the given options it is the only continent without desert.