21.
Kalgoorlie in Australia is famous for its rich deposits of

22.
Snow is formed by the process of

23.
The Strait which separates Africa from Europe is ________

24.
Consider the following statements:
1. Germany and America are the two largest producers of wind-power
2. America has nuclear energy generation capacity of around 100,000 MW
3. America has more nuclear reactors than any other country in the world
Which of the statements given above are correct?

25.
The gap between birth rate and death rate per 1000 mid-year population of a given region is known as