Which of the following are highly polluted?
Water
Land
Air
All the above
Which is the remote sensing satellite of USA?
SPOT
KITSAT
LANDSAT
IRS1A
How much of the commercial energy comes from the fossil fuels?
75%
10%
80%
50%
How many people will be affected by water scarcity by 2025?
2 million
5 billion
1 billion
1 million
Which type of countries will struggle for food and freshwater?
Economical
Developing
Developed
Growing
How much of world’s natural forest is destroying?
1%
What type of population will put a pressure on land and water?
Increased
Decreased
Stable
None of these
Which of the following will increase when population increases?
Water usage
Landforms
Food supply
What is the result of deforestation?
Water scarcity
Land shortage
Soil erosion
Less food
Which of the following is used to overcome the shortage of land?
Clear forest
Stop cultivation
Decrease population
