What is the scale of the map given above?
1:50,000
1 : 100,000
1 : 150,000
1 : 200,000
Correct answer is D
No explanation has been provided for this answer.
One of the following is associated with wind deflation in arid region_________
Barchan
Yardang
Rock pedestals
Oasis
Correct answer is B
Deflation is an action of wind when it picks up or remove loose particles from an area and leaves a denuded surface covered with coarse material too large for wind transport. The most noticeable results of deflation in some places are shallow depressions called blowouts
The earth is enveloped by a mixture of gases referred to as the___________
biosphere
lithosphere
mesosphere
atmosphere
Correct answer is D
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
All the following are environmental hazards except___________
flooding
vulcanicity
afforestation
deforestation
Correct answer is C
An environmental hazard is a substance, a state or an event which has the potential to threaten the surrounding natural environment and adversely affect people's health, including pollution and natural disasters such as storms and earthquakes.
One of the following does not determine the availability of resources in a country____________
Evolution
Emigration
Population
Morbidity
Correct answer is A
Evolution is change in the heritable characteristics of biological populations over successive generations. These characteristics are the expressions of genes that are passed on from parent to offspring during reproduction.
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