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Arnav kaul from Chirec, Hyderabad
Subject :NSO    Class : Class 5

Which of the following statements are correct?
(i) Venus is believed to have active volcanoes.
(ii) Mars has the biggest crater in the solar system.
(iii) The first seismograph was made in Germany.
(iv) Only dormant volcanoes are found around the Pacific ocean, giving rise to the name 'Pacific Ring of Fire'.

A(ii) and (iv) only
B(i) and (ii) only
C(i) and (iii) only
D(iii) and (iv) only


Ans 1:

Bertrand Calvin Fernando from Aqunias International School, mumbai
Class : Class 5

Ans 2:

Pragun goel from Venkateshwar International School, Delhi
Class : Class 8
as per Wikipedia no volcano had erupted on Venus in the past 2.5 million years so 2 is the only correct option

Ans 3:

Siddhant Singhania from AGCS purulia, Puruliya
Class : Class 7

Ans 4:

Suhana Kedia from Griffin's international school, Kharagpur
Class : Class 5
Please correct it

Ans 5:

Suhana Kedia from Griffin's international school, Kharagpur
Class : Class 5
How is 1 correct? Please reply

Ans 6:

Shourya Ganesh from The Green Acres Academy, Mumbai
Class : Class 9
no volcano had erupted on Venus in the past 2.5 million years so 2 is the only correct option

Ans 7:

Pratham Dave from GNS, Bangalore
Class : Class 7
2 and 4 is the answer to this question

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