World Geography
The main period of Mesozoic era include

cretaceous period and Jurassic period
Jurassic period and Triassic period
Triassic period and Cretaceous period
Triassic period, Jurassic period and cretaceous period

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World Geography
The texture of a soil refers to

the distribution of mineral particles in the soil
None of these
the size distribution of the mineral particles composing the soil
the crystal distribution in soil

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World Geography
Which among the following statements is/are correct about Dust particles in the Earth’s atmosphere?Higher concentration of dust particles is found in equatorial and polar regionsThey are generally found in the lower layers of the atmosphereSelect the correct code from the options given below:

Only 2
Neither 1 & 2
Both 1 & 2
Only 1

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