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World Mountain Waterfall Oceans etc.

A broad channel where the waters of a river and a sea mingle is called

A. An Estuary
B. Comets
C. A Strait
D. A Delta



Answer & Solution
Option: A
Explanation :A broad channel where the waters of a river and a sea mingle(meet) is called Estuaries. Estuaries and surrounding wetlands usually found where rivers meet the sea. Estuaries environments are among most productive on earth. Different habitat are found in and around estuaries, including shallow open waters, freshwater and saltwater marshes, swamps, sandy beaches, mud and sand flats, rocky shores, river deltas, tidal pools and seagrass beds.
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    The river Volga pours its water into the

    A. Black Sea
    B. Arabian Sea
    C. Baltic Sea
    D. Caspian Sea

    Answer & Solution
    Option: D
    Explanation :The river Volga pours its water into the Caspian Sea.
    The Volga is the longest river in Europe. Volga Flows through Central Russia to Southern Russia and into the Caspian Sea. It’s length is 3,531 km. It is also the Europe’s largest river in terms of discharge and drainage basin.
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      Where the Blue and White Nile meet and make longest river of the World?

      A. Cairo
      B. Khartoum
      C. Vienna
      D. Albania



      Answer & Solution
      Option: B
      Explanation :Blue Nile originates from lake Tana of Ethiopia and white Nile originates from lake Victoria. Blue and White Nile meet at Khartoum and make longest river of the world.
      Khartoum is the capital of Sudan. The place where two Niles meet is called al-Muqran in English “The Confluence”. From there Nile continues to flow north towards Egypt and Mediterranean Sea.
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        Which one is the smallest landlocked country by population 2019

        A. Vatican City
        B. Kazakhstan
        C. San Marino
        D. Andorra

        Answer & Solution
        Option: A
        Explanation :A landlocked country is defined as a country that is completely surrounded by land. Some of these nations may have coastlines, but these are only on closed seas. Forty-nine – or about one-fifth of all of the countries in the world – are landlocked.
        The largest landlocked country by population is Ethiopia, which has a population of over 101 million people. Vatican City is the smallest by population, with a total population of less than 1,000 people.
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          Which one is the largest landlocked country by population-2019

          A. Niger
          B. Kazakhstan
          C. Ethiopia
          D. Afghanistan

          Answer & Solution
          Option: C
          Explanation :A landlocked country is defined as a country that is completely surrounded by land. Some of these nations may have coastlines, but these are only on closed seas. Forty-nine – or about one-fifth of all of the countries in the world – are landlocked.
          The largest landlocked country by population is Ethiopia, which has a population of over 101 million people. Vatican City is the smallest by population, with a total population of less than 1,000 people.
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            Which one is the largest landlocked country by area

            A. Vatican City
            B. Kazakhstan
            C. Greenland
            D. Uzbekistan

            Answer & Solution
            Option: B
            Explanation :A landlocked country is defined as a country that is completely surrounded by land. Some of these nations may have coastlines, but these are only on closed seas. Forty-nine – or about one-fifth of all of the countries in the world – are landlocked.
            The largest landlocked country by area is Kazakhstan. The smallest by area is Vatican City. The largest landlocked country by population is Ethiopia, which has a population of over 101 million people. Vatican City is the smallest by population, with a total population of less than 1,000 people.
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              Which one is the landlocked country?

              A. Taiwan
              B. Uzbekistan
              C. Greenland
              D. Uganda

              Answer & Solution
              Option: D
              Explanation :A landlocked country is defined as a country that is completely surrounded by land. Some of these nations may have coastlines, but these are only on closed seas. Forty-nine – or about one-fifth of all of the countries in the world – are landlocked.
              All of the nations in the world that are landlocked are:- Afghanistan, Andorra, Armenia, Artsakh, Austria, Azerbaijan,Belarus, Bhutan, Bolivia,Botswana, Burkina Faso, Burundi,Central African Republic, Chad, Czech Republic,Ethiopia,Hungary,Kazakhstan, Kosovo, Kyrgyzstan,Laos, Lesotho, Liechtenstein,Luxembourg,Macedonia, Malawi, Mali, Moldova, Mongolia,Nepal, Niger,Paraguay,Rwanda,San Marino, Serbia, Slovakia, South Ossetia, South Sudan, Swaziland, Switzerland,Tajikistan, Transnistria, Turkmenistan,Uganda, Uzbekistan,Vatican City,West Bank,Zambia, Zimbabwe.
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                Which one is the longest river in the world?

                A. Nile
                B. Amazon
                C. Yangtze
                D. Mississippi

                Answer & Solution
                Option: A
                Explanation :The Nile is credited as the longest river in the world having length of 6,695 km (4,160 miles) or some say 6,650 km (4,130 miles). Its main source is Lake Victoria in east central Africa.
                the Nile is an international river shared by 11 countries in Africa. However, it is the main source of water in two countries Egypt and Sudan. The Blue and the White Nile are the two tributaries of the river with the latter having a greater length than the former. The source of the White Nile is not yet fully determined but is believed to be somewhere in Burundi or Rwanda. According to some reports, Lake Victoria is considered to be the source of the White Nile which is, in turn, fed by the Kagera River whose two major tributaries are the Ruvyironza and the Nyabarongo rivers of Burundi and Rwanda, respectively. The Kagera is formed at the confluence of these two rivers near the Tanzania-Rwanda border. The Blue Nile has a more defined origin in Lake Tana in Ethiopia. The two tributaries meet near the Sudanese capital of Khartoum. The Nile River’s final course is through Egypt before it forms a delta and drains into the Mediterranean Sea.
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                  Which one is the Largest River in the World?

                  A. Nile
                  B. Amazon
                  C. Yangtze
                  D. Mississippi




                  Answer & Solution
                  Option: B
                  Explanation :The Amazon River in South America is the largest river by discharge volume of water in the world. Lenght 6,400KM, Length in miles 3,976, Discharge area 7,050,000 Km^2 , Average Discharge 209,000 m^3/s.
                  A recent 2014 study claims that the origin of the Amazon can be traced to the Cordillera Rumi Cruz from where Peru’s Mantaro River originates. This river then confluences with the Apurímac River (whose headwaters were earlier regarded as the source of the Amazon) and then other tributaries join the river downstream to form the Ucayali River which finally confluences with the Marañón River to form the main stem of the Amazon River.
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                    Where River Amazon originates from?

                    A. Bayan Har Mountains
                    B. Qinghai
                    C. Mantaro River
                    D. Lake Vitoria

                    Answer & Solution
                    Option: C
                    Explanation :The Amazon River in South America is the largest river by discharge volume of water in the world. Lenght 6,400KM, Length in miles 3,976, Discharge area 7,050,000 Km^2 , Average Discharge 209,000 m^3/s.
                    A recent 2014 study claims that the origin of the Amazon can be traced to the Cordillera Rumi Cruz from where Peru’s Mantaro River originates. This river then confluences with the Apurímac River (whose headwaters were earlier regarded as the source of the Amazon) and then other tributaries join the river downstream to form the Ucayali River which finally confluences with the Marañón River to form the main stem of the Amazon River.
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