Questions 97 to 100 refer to the following text. Oasis is an area of vegetation surrounded by desert, having a source of water to support plant and animal life. It can be found in desert regions of the Arabian Peninsula, the Sahara Desert of Egypt and many other desert regions of the world. Few oases are natural, where springs or ground water is close to the surface. Balmorhea State Park of Texas has a natural spring that produces more than 20 million gallons of water each day. A large pool for public use has been constructed, fed by the water flowing from the spring. Today an oasis can be created artificially by digging or drilling for a water source underground. Horizontal tunnels for ground water are traditionally dug, inclined slightly upward under higher ground nearby, permitting ground water to flow downhill to the oasis. Oases can be small and large. Small ones can be springs or wells with vegetation on less than one acre of ground. Whereas, several oases may cover several square miles. Al-Ahsa in eastern Saudi Arabia is the largest oasis in Asia, having natural springs that have been used by local people for thousands of years.TOLONG CARI KOSAKATA YANG ADA DI CERITA TERSEBUT!
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