The Sahara: Earth's Largest Hot Desert By Rachel Ross -

Berikut ini adalah pertanyaan dari hafidhinarfa pada mata pelajaran B. inggris untuk jenjang Sekolah Menengah Atas

The Sahara: Earth's Largest Hot DesertBy Rachel Ross - Live Science Contributor January 25, 2019
The Sahara is the largest hot desert in the world, and the third largest desert behind Antarctica and the Arctic, which are both cold deserts. The Sahara is one of the harshest environments on Earth, covering 3.6 million square miles (9.4 million square kilometers), nearly a third of the African continent, about the size of the United States (including Alaska and Hawaii). The name of the desert comes from the Arabic word sahra, which means "desert.

The Sahara is bordered by the Atlantic Ocean on the west, the Red Sea on the east, the Mediterranean Sea on the north and the Sahel Savannah on the south. The enormous desert spans 11 countries: Algeria, Chad, Egypt, Libya, Mali, Mauritania, Morocco, Niger, Western Sahara, Sudan and Tunisia.

The Sahara desert has a variety of land features, but is most famous for the sand dune fields that are often depicted in movies. The dunes can reach almost 600 feet (183 meters) high but they cover only about 15 percent of the entire desert. Other topographical features include mountains, plateaus, sand- and gravel-covered plains, salt flats, basins and depressions. Mount Koussi, an extinct volcano in Chad, is the highest point in the Sahara at 11,204 feet (3,415 m), and the Qattara Depression in Egypt is the Saraha's deepest point, at 436 feet (133 m) below sea level.

Although water is scarce across the entire region, the Sahara contains two permanent rivers (the Nile and the Niger), at least 20 seasonal lakes and huge aquifers, which are the primary sources of water in the more than 90 major desert oases. Water management authorities once feared the aquifers in the Sahara would soon dry up due to overuse, but a study published in the journal Geophysical Research Letters in 2013, discovered that the "fossil" (nonrenewable) aquifers were still being fed via rain and runoff.

a What is the main idea of paragraph three?
b. What is the main idea of paragraph four?
c Summarize the text into three sentences!​

Jawaban dan Penjelasan

Berikut ini adalah pilihan jawaban terbaik dari pertanyaan diatas.

Jawaban:

A. The main idea of paragraph three is that the Sahara desert has various land features, with sand dune fields being the most famous, but they only cover a small percentage of the entire desert. Other land features include mountains, plateaus, plains, salt flats, and depressions.

B. The main idea of paragraph four is that the Sahara desert, despite being a dry region, contains water sources such as permanent rivers (the Nile and the Niger), seasonal lakes, and large aquifers. These water sources are vital for the more than 90 major desert oases, and while there were concerns about the aquifers drying up, a study found that they were still being replenished.

C. The Sahara is the largest hot desert in the world, covering a vast area of 3.6 million square miles. It has diverse land features including sand dune fields, mountains, plateaus, and more. Despite its arid nature, the Sahara contains water sources such as rivers, lakes, and aquifers that sustain numerous desert oases. Recent research shows that the aquifers are still being replenished, contrary to earlier concerns of depletion.

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