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81
The temperature needed to keep the earth's surface and the atmosphere in thermal equilibrium is called
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Answer & Solution
Answer: Option C
Solution:
The temperature needed to keep the earth's surface and the atmosphere in thermal equilibrium is called the mean global surface temperature.
82
The short term variations of the atmosphere, ranging from minutes to months are called
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Answer & Solution
Answer: Option B
Solution:
The short term variations of the atmosphere, ranging from minutes to months are called weather.
83
The tide produced as a consequence of the moon and the sun pulling the earth in the same direction is called
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Answer & Solution
Answer: Option C
Solution:
The tide produced as a consequence of the moon and the sun pulling the earth in the same direction is called spring tide.
84
The tropical cyclones with maximum sustained surface winds of 33 ms are called
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Answer & Solution
Answer: Option C
Solution:
Severe tropical cyclones have near surface sustained wind speeds equal to or exceeding 33 m/s (120 km/h): these are called hurricanes over the Atlantic Ocean, the East Pacific Ocean and the Caribbean Sea, and Typhoons over the Western North Pacific Ocean
85
The typical soil of tropical region, formed by the weathering of laterite rock, which promotes leaching of the soil is
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Answer & Solution
Answer: Option A
Solution:
Laterite is a soil and rock type rich in iron and aluminium and is commonly considered to have formed in hot and wet tropical areas. Nearly all laterites are of rusty-red coloration, because of high iron oxide content. They develop by intensive and prolonged weathering of the underlying parent rock.
86
The two 'equinoxes' take place respectively in the months of
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Answer & Solution
Answer: Option C
Solution:
An equinox is commonly regarded as the instant of time when the plane (extended indefinitely in all directions) of Earth's equator passes through the center of the Sun. This occurs twice each year, around 20 March and 23 September.
87
The troughs of the waves are where the jet stream of waves is closest to the
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Answer & Solution
Answer: Option B
Solution:
The troughs of the waves are where the jet stream of waves is closest to the equator.
88
The study of soils is called
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Answer & Solution
Answer: Option B
Solution:
Pedology (from Greek: pedon, "soil"; and logos, "study") is the study of soils in their natural environment. It is one of two main branches of soil science, the other being edaphology.
89
The tropical cyclones do not occur to the equator because of
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Answer & Solution
Answer: Option A
Solution:
At the equator the Coriolis force is absent(Coriolis force is directly proportional to latitudinal angle), and the wind will blow perpendicular to the isobar.
90
The term 'regur' refers to
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Answer & Solution
Answer: Option C
Solution:
The term 'regur' refers to black cotton soil.