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World Geography
Comments
Question
The propagation of radio signals is greatly influence by
Options
A. troposphere
B. ionosphere
C. exosphere
D. thermosphere
Correct Answer
ionosphere
World Geography problems
Search Results
1. The R-horizon of soil horizon consists of
Options
A. unweathered bedrock
B. weathered parent material
C. plant litter at various levels of decomposition
D. None of the above
Show Answer
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Correct Answer: unweathered bedrock
2. The part of the earth and thin layer of air above its surface, which support life on earth, are referred to as
Options
A. stratosphere
B. ionosphere
C. biosphere
D. mesosphere
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Correct Answer: biosphere
3. The Penumbra is
Options
A. the outer portion of the moon's shadow
B. formed by the tangent that intersects between the sun and the moon
C. both (a) and (b)
D. None of the above
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Correct Answer: both (a) and (b)
4. The polar regions of earth cannot support forest growth because
Options
A. the growing season is short in these areas
B. the ground is often frozen or snow or ice covered
C. the rainfall is very low
D. All of these factors.
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Correct Answer: All of these factors.
5. The major crops found in Sudan are
Options
A. rice, barley, bananas, cocoa
B. maize, cotton, bananas, groundnut
C. bajra, oats, tobacco
D. wool, wine, jute
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Correct Answer: maize, cotton, bananas, groundnut
6. The planets that are called superior planets are
Options
A. Mercury, Venus, Earth, Mars and Jupiter
B. Jupiter, Saturn, Uranus, Neptune and Pluto
C. Mercury, Pluto, Venus, Neptune and Earth
D. Earth, Uranus, Mars, Saturn and Jupiter
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Correct Answer: Jupiter, Saturn, Uranus, Neptune and Pluto
7. The polar Easterlies lie at
Options
A. 0-30? latitude
B. 30-60? latitude
C. 60-90? latitude
D. 90? latitude
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Correct Answer: 60-90? latitude
8. The region of three W's that is wheat, wool and wine is
Options
A. mediterranean climatic regions
B. china type climatic regions
C. steppe type climatic regions
D. equatorial regions
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Correct Answer: mediterranean climatic regions
9. The reaction between compounds and oxygen is called
Options
A. oxidation
B. hydrolysis
C. carbonation
D. solution
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Correct Answer: oxidation
10. The progressive wave theory regarding of tides was put forth by
Options
A. R.A. Harris
B. Issac Newton
C. William Whewell
D. G.B. Airy
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Correct Answer: William Whewell
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