2 minutes speech on important of mountains
Answers
Mountains play a significant role in providing water and food supply to the millions of people in the world. Mountains cover around 22 percent of the surface of the earth and 13 percent of the world’s population live in the mountains. Ninety percent of the world’s mountain inhabitants live in developing countries, where a huge population live under the poverty line, and one out of every three individuals experiences the danger of food insecurity.
Mountains offer 60-80 percent of the world’s freshwater. According to UNO, almost one billion people live in mountain areas, and over half of the human population depends on mountains for water and nutrition. Mountains are facing risk from climate change and natural calamities. Mountains face climate change as the global temperature continues to warm which disturbs starving and poorest people of the world who live in the mountains. Due to the increasing temperature, glaciers on the mountains start melting which brings floods in the world. Currently, 329 million people living in the mountains face food scarcity.
Answer:
Introduction
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A mountain is a landform that rises high above its surroundings. Taller than a hill, it usually has steep slopes and a rounded or sharp peak. Mountains are rarely found alone. Groups of mountains are called ranges. Lines of ranges form mountain belts.
How Mountains Were Formed
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Some mountains were formed by the activity of volcanoes. Scientists believe that most volcanic mountains are made up of rock that melted deep within Earth. The rock rose through Earth’s surface, or crust. It then flowed onto the surface in the form of lava. The lava, along with volcanic dust, built up to form mountains. Volcanic mountains are typically steep and cone shaped. Mount Fuji in Japan, Mount Kilimanjaro in Africa, and Mount Rainier in the United States are examples of volcanic mountains.
Other mountains were formed by movements within Earth’s surface, or crust. The theory called plate tectonics explains this type of mountain building. Earth’s surface is divided into huge pieces called plates, which move very slowly. The continents sit on top of the plates and move with them. At times the plates collide, forcing the rock upward. The Himalayas of Asia are an example of this type of mountain chain. They were formed when a plate carrying India collided with the Asian plate.
Living in Mountain Lands
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Mountain ranges are natural barriers to travel. Roads are difficult to build across them. Railroads need expensive tunnels to cross even low mountains. Therefore mountain ranges tend to divide the people on either side of them. They often form borders between countries.
Life is hard in mountain lands. The high places of the world are cold and have little soil, making farming difficult. However, many mountain areas are vacation resorts. Skiing and climbing are popular mountain sports.
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