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11 questions
How much of the world's land is arable?
1/10th
a little more than 1/3rd
1/4th
50%
What is a land slide?
When rocks loosened by weathering move down the slopes due to gravity
When rocks loosened by pollution move down the slopes due to wind.
When water gets polluted along with the soil
It is a type of terrace farming
What is quarrying?
A process in which human resources are made useful for humans and animals. This process is called quarrying
When minerals lie near the land surface, they are simply dug out. This process is called quarrying.
When deposed plants get mixed with petroleum.
Which of the following factors are not in the characteristics involved in the formation for soil?
Organisms
Weather
Climate
Topography
______ are often extracted from their ores by heating beyond their melting point is called ______
non-metals, drilling
ferrous minerals, mining
metals, smelting
metals, alloy
In 2008, what was the population of Asia (in terms of percentage) ?
60.5%
80.7%
aprox. 29%
70.4%
India's population grew very slowly during?
1921- 1951
1990- 1901
1901-1921
1951-2001
Which of the following are some factors which are responsible for proper soil development?
Rocks loosened by pollution
Moisture
low temperature
Wind
The population of a country _____ if the number of emigrants exceeds immigrants.
_____________ is the softest mineral.
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