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Ahaan Mittal from Primus Public School, Bengaluru
Subject :NSO    Class : Class 4

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ishit from EUROSCHOOL THANE, THANE WEST
Subject :NSO    Class : Class 4

Ans 1:

ARCHIT PANKAJ RANE from SYMBIOSIS SCHOOL, NASHIK
Class : Class 6
sound actually travels faster than light

Ans 2:

Adarsh from DPS, Raipur
Class : Class 5

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ishit from EUROSCHOOL THANE, THANE WEST
Subject :NSO    Class : Class 4

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ishit from EUROSCHOOL THANE, THANE WEST
Subject :NSO    Class : Class 4

Ans 1:

stavya from dps noida, noida
Class : Class 6
you are all big fools [who did d as answer]

Ans 2:

Ahaan Mittal from Primus Public School, Bengaluru
Class : Class 8
I think b is also correct

Ans 3:

stavya from dps noida, noida
Class : Class 6
idiotsssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss

Ans 4:

Malavya Chaturvedi from Study Hall, Lucknow
Class : Class 8
I also think so..

Ans 5:

Archit Das from NPS, Singapore
Class : Class 6
Confused between b and d

Ans 6:

Aditya from Kothari International School, Noida
Class : Class 7
I think B is also correct as it is the beak of Kingfisher kind of bird

Ans 7:

Ragha from NPSI, CHENNAI
Class : Class 6
Yes

Ans 8:

Rishabh Venkat from VSA Bangalore, Bengaluru
Class : Class 6
c is also correct

Ans 9:

RISHAAN CHAKRABORTY from DPS NOIDA, NOIDA
Class : Class 6

Ans 10:

Koyel Biswas from Adamas World School, Kolkata
Class : Class 5
c is also correct

Ans 11:

stavya from dps noida, noida
Class : Class 6
You all who didn't wrote b are big big idiot

Ans 12:

Aarnav Grover from Anand Niketan Shilaj, Ahmedabad
Class : Class 9
answer is D

Ans 13:

Naitik Jindal from DELHI PUBLIC SCHOOL RK PURAM, DELHI
Class : Class 8

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Shaurya Veer from Blooming Dales International School, Sri Ganganagar
Subject :NSO    Class : Class 4

Ans 1:

Aarnav Grover from Anand Niketan Shilaj, Ahmedabad
Class : Class 9
answer is b

Ans 2:

Radhika Jain from Sushila Birla Girls' School, Kolkata
Class : Class 5
class

Ans 3:

Nihid Binoj from DPS International School Singapore, Singapore
Class : Class 4

Ans 4:

EKLAVYA GONDULE from DPS BHILAI, Bhilai
Class : Class 7

Ans 5:

EKLAVYA GONDULE from DPS BHILAI, Bhilai
Class : Class 7

Ans 6:

Adrija Majumder from Kendriya vidyalaya COSSIPORE, Kolkata
Class : Class 7

Ans 7:

Samarth Vijay Yeliathaya from Shri Kumarans Children home,cbse, Bangalore
Class : Class 5
Eagles dont have hair .. thats right.. but frogs also dont have hair

Ans 8:

EKLAVYA GONDULE from DPS BHILAI, Bhilai
Class : Class 7

Ans 9:

Arnesh from DPS Mathura Road , New Delhi
Class : Class 7
b

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Abhinav Kulkarni from National Centre For Excellence, Bengaluru
Subject :NSO    Class : Class 4

A scientist observed a sudden increase in the number of algae in a lake over a few days. The reason behind it could be that ____________.

A Water cycle in the area got unbalanced
B Electronic wastes were being dumped in a nearby area
C A factory with heavy smoke discharge has been established nearby
D Heavy amount of chemical fertilisers were being used in a nearby field


dddddddddddddddddddddddddddddddddddddddd is the ans

Ans 1:

Chinmayee from Dimensions , Singapore
Class : Class 4

Ans 2:

Chinmayee from Dimensions , Singapore
Class : Class 4

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Ans 4:

Chinmayee from Dimensions , Singapore
Class : Class 4

Ans 5:

TARA NAUTIYAL from CONVENT OF JESUS AND MARY, DEHRADUN
Class : Class 4
yess D

Ans 6:

Ashwak from Cambridge, Jalandhar
Class : Class 8
D

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sudiksha Bhaskar Chaudhary from Shri Mahavir Jain English School,Kalyan west, Kalyan west
Subject :NSO    Class : Class 4

Ans 1:

Punyatoya from Harvest, Bengaluru
Class : Class 7
It is correct

Ans 2:

Rahul from Cambridge school, noida
Class : Class 4
How

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ishit from EUROSCHOOL THANE, THANE WEST
Subject :NSO    Class : Class 4

Ans 1:

Abhinav Kulkarni from National Centre For Excellence, Bengaluru
Class : Class 4
for a fellow like u the ans should be b eat and check...

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ishit from EUROSCHOOL THANE, THANE WEST
Subject :NSO    Class : Class 4

Ans 1:

Apeksha Garg from Rbmhs, Jaipur
Class : Class 7

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AADRITA DATTA from DELHI PUBLIC SCHOOL,HOWRAH, Howrah
Subject :NSO    Class : Class 4

Ans 1:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
c

Ans 2:

Shubham Majhi from Sri Chaitanya Techno School, Bangalore
Class : Class 5
A

Ans 3:

yashmit singh from la blossom school, jalandhar
Class : Class 6

Ans 4:

Amresh Patnaik from ODM PUBLIC SCHOOL, BHUBANESWAR
Class : Class 8

Ans 5:

Chinmayee from Dimensions , Singapore
Class : Class 4
D 'cause it's blurry

Ans 6:

Aajani Datta from The Samhita Academy, Bangalore
Class : Class 5

Ans 7:

Ashwak from Cambridge, Jalandhar
Class : Class 8
A is the correct answer .....

Ans 8:

Chinmayee from Dimensions , Singapore
Class : Class 4

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