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World Geography

World Geography
The landmass of which of the following continents is the least?

Europe
Asia
Australia
Africa

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World Geography
Which of the following planet is known as Morning star?

Mercury
Venus
Jupiter
Earth

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Sometimes Venus appears in the eastern sky before sunrise. Sometimes it appears in the western sky just after sunset. Therefore it is often called a morning or an evening star, although it is not a star.

World Geography
The magnetic field of earth, Magnetosphere expands to about

None of these
9600 km above the earth's surface
64,000 km above the earth's surface
8000 km above the earth's surface

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World Geography
What is the proportion of insolation that is reflected back by the surface called?

Radiation
Scattering
Conduction
Albedo

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Albedo is the proportion of insolation that is reflected back by the surface. It depends upon the nature of the surface upon which the solar radiation is incident and the angle of incidence of the solar beam.

World Geography
What are Ox bow lakes created by Rio Grande called?

Resacas
Cuesta
Backswamp
Loo

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Ox bow lake is a U shaped lake formed when a meander of a river is cut off. This cut off meander creates a free standing water body called Ox bow lake. Resacas are ox bow lakes left by Rio Grande.

World Geography
The major cause of species extinction is

habitat loss and degradation
extraction (including mining, fishing, logging)
development (human settlements, industry)
agricultural activities

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