World Geography
The steady or initial phase of the magnetic storms is

None of these
magnetic storm at middle and low altitudes
preceded by storm sudden commencement
a sharp increase of the field

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World Geography
What are large units where sheep are reared in Australia called?

Sheep Cattle
Prairies
Sheep Station
Pastures

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World Geography
The term 'flora' in the context of natural vegetation refers to

role played by species of animals in the maintenance of ecological balance
a large tract covered by trees and shrubs and its administration for assessing economic benefits
plants of a particular region or period, listed by species and considered as a group
assemblage of plant species living in association with each other in a given environmental frame

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