Dekke Toba is an Indonesian fish found in the Lake Toba which is a volcanic lake in the middle of the northern part of the Sumatra island. It is the largest lake in Indonesia and the largest volcanic lake in the world.

Correct Option: D

Dekke Toba is an Indonesian fish found in the Lake Toba which is a volcanic lake in the middle of the northern part of the Sumatra island. It is the largest lake in Indonesia and the largest volcanic lake in the world.

The Sahara covers most of North Africa and extends over Algeria, Chad, Egypt, Libya, Mali, Mauritania, Morocco, Niger, Western Sahara, Sudan and Tunisia. It covers about 1D 4 of the African continent.

Correct Option: C

The Sahara covers most of North Africa and extends over Algeria, Chad, Egypt, Libya, Mali, Mauritania, Morocco, Niger, Western Sahara, Sudan and Tunisia. It covers about 1D 4 of the African continent.

Africa is located in the Northern, Southern, Eastern, and Western Hemispheres. The equator (divides the earth into the Northern and Southern Hemispheres) and the Prime Meridian (divides the earth into the Eastern and Western Hemispheres) pass through Africa.

Correct Option: B

Africa is located in the Northern, Southern, Eastern, and Western Hemispheres. The equator (divides the earth into the Northern and Southern Hemispheres) and the Prime Meridian (divides the earth into the Eastern and Western Hemispheres) pass through Africa.

The Sahara is the largest subtropical hot desert and third largest desert after Antarctica and the Arctic. At over 9,400,000 square kilometres, it covers most of North Africa, making it almost as large as China or the United States. In terms of area, the Arabian and the Kalahari Deserts come at second and third places among subtropical deserts.

Correct Option: C

The Sahara is the largest subtropical hot desert and third largest desert after Antarctica and the Arctic. At over 9,400,000 square kilometres, it covers most of North Africa, making it almost as large as China or the United States. In terms of area, the Arabian and the Kalahari Deserts come at second and third places among subtropical deserts.

Tropical rainforests cover only about 7% of the Earth’s surface. They are located in a band around the equator, mostly in the area between the Tropic of Cancer (23.5° N latitude) and the Tropic of Capricorn (23.5° S latitude). They are home to approximately 50% of all living things on earth.

Correct Option: B

Tropical rainforests cover only about 7% of the Earth’s surface. They are located in a band around the equator, mostly in the area between the Tropic of Cancer (23.5° N latitude) and the Tropic of Capricorn (23.5° S latitude). They are home to approximately 50% of all living things on earth.