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

assemblage of plant species living in association with each other in a given environmental frame
plants of a particular region or period, listed by species and considered as a group
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

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World Geography
Which among the following statements is/are correct about Petroleum?Petroleum is an inflammable mixture of oily hydrocarbons.Most of the oil comes from synclines rather than anticlines.Select the correct code from the options given below:

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

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