World Geography
The major geological events of the Palaeozoic era include

None of these
both (a) and (b)
Caledonian mountain rise, life comes ashore
Appalachians and Central European mountains come up

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World Geography
Which among the following statements is/are correct about the symbiotic life of Corals?Algae gives carbon dioxide and other substances the  coral polyp needs.Coral polyp gives off oxygen and other nutrients that the algae needs.Select the correct code from the options given below:

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

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World Geography
Which among the following statements is/are correct about Fronts?The boundary zone when two different type of air masses meet is called a Front.Differences in terms of tem­perature, humidity, precipitation, cloudiness, and wind direction are experienced along different fronts.Occluded front is formed when cold front over­takes warm front and warm air is completely displaced from the ground surfaceSelect the correct code from the options given below:

Only 1 & 2
1, 2 & 3
Only 1
None of these

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

Pastures
Prairies
Sheep Station
Sheep Cattle

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