Question

mention tow types of deserts?which types of desert is Sahara and it is situated in which continent
in short answer

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Answer 1

The two type of desert are :

1.Cold desert

2.hot or dry desert

Sahara is a hot or dry desert.It is located across Northern Africa and covers approximately 10 % of African continent .

Answer 2

Thar Desert and Sahara desert.

The Sahara (UK: /səˈhɑːrə/, /səˈhærə/; Arabic: الصحراء الكبرى‎, aṣ-ṣaḥrāʼ al-kubrá, 'the Great Desert') is a desert located on the African continent. It is the largest hot desert in the world, and the third largest desert overall after Antarctica and the Arctic.[1] Its area of 9,200,000 square kilometres (3,600,000 sq mi)[2] is comparable to the area of China or the United States.[3] The name 'Sahara' is derived from a dialectal Arabic word for "desert", ṣaḥra (صحرا /ˈsˤaħra/).[4][5][6][7]

Sahara

The Great Desert

Sahara satellite hires.jpg

A satellite image of the Sahara by NASA WorldWind

Length

4,800 km (3,000 mi)

Width

1,800 km (1,100 mi)

Area

9,200,000 km2 (3,600,000 sq mi)

Naming

Native name

sa'hra

Geography

Countries

List

Algeria

Chad

Egypt

Libya

Mali

Mauritania

Morocco

Niger

Sudan

Tunisia

Coordinates

23°N 13°E 

This article contains Arabic text. Without proper rendering support, you may see question marks, boxes, or other symbols.

File:Evening Pass over the Sahara Desert and the Middle East.ogvPlay media

This video over the Sahara and the Middle East was taken by the crew of Expedition 29 on board the International Space Station.

Tadrart Acacus desert in western Libya, part of the Sahara

The top image shows the Safsaf Oasis on the surface of the Sahara. The bottom (using radar) is the rock layer underneath, revealing black channels cut by the meandering of an ancient river that once fed the oasis.

The desert comprises much of North Africa, excluding the fertile region on the Mediterranean Sea coast, the Atlas Mountains of the Maghreb, and the Nile Valley in Egypt and Sudan. It stretches from the Red Sea in the east and the Mediterranean in the north to the Atlantic Ocean in the west, where the landscape gradually changes from desert to coastal plains. To the south, it is bounded by the Sahel, a belt of semi-arid tropical savanna around the Niger River valley and the Sudan Region of Sub-Saharan Africa. The Sahara can be divided into several regions including: the western Sahara, the central Ahaggar Mountains, the Tibesti Mountains, the Aïr Mountains, the Ténéré desert, and the Libyan Desert.

For several hundred thousand years, the Sahara has alternated between desert and savanna grassland in a 41,000 year cycle caused by the precession of the Earth's axis as it rotates around the Sun, which changes the location of the North African Monsoon. The area is next expected to become green in about 15,000 years (17,000 AD). There is a suggestion that the last time that the Sahara was converted from savanna to desert it was partially due to overgrazing by the cattle of the local population.