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oceans and seas
groundwater, rivers and streams
glaciers and ice sheets
freshwater lakes and water vapours
Answer is Right!
Answer is Wrong!
2. The smallest state, population wise, in the world is
Vatican City
Monaco
Nauru
Liechtenstein
Answer is Right!
Answer is Wrong!
Detailed SolutionThe smallest state, population wise, in the world is
3. The most densely populated country of Africa is
Mauritius
Rwanda
Burundi
Sierra Leone
Answer is Right!
Answer is Wrong!
Detailed SolutionThe most densely populated country of Africa is
4. The Palaeozoic era starts at ____ million years ago and ends at ____ million years ago.
500, 100
570, 225
470, 150
470, 225
Answer is Right!
Answer is Wrong!
5. The main properties of cosmic ray particles are
its electric charge
its rest mass
its energy
All of these are its properties
Answer is Right!
Answer is Wrong!