With reference to Geological Time Scale which of the following statement is are correct 1 First fish...........

Geography Earth Geology

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With reference to Geological Time Scale, which of the following statement is/are correct?

1.First fish appeared during Cambrian period.

2..Extinction of Dinosaur’s happened in Jurassic period.

3.Holocene defined a time when humans colonised new territories and the population swelled.

Select the correct answer using the code given below

1 and 2 only

1 Only

1 and 3 only

3 only

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Explanation:

1 and 2 only

The statement "First fish appeared during Cambrian period" is correct. The Cambrian period is known for the "Cambrian Explosion," a period of rapid diversification of life forms, including the appearance of the first fish.

The statement "Extinction of Dinosaurs happened in Jurassic period" is incorrect. The extinction of dinosaurs, particularly the famous event that led to the extinction of non-avian dinosaurs, occurred at the end of the Cretaceous period.

The statement about the Holocene is not correct, but it is generally associated with the time when humans started to develop agriculture and settled communities, not necessarily when they colonized new territories.

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