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Naresh Likhar from AECS-4 mumbai, Mumbai
Subject :NSO    Class : Class 5

Ans 1:

Tanvi Ritisha Dash from delhi public school bangalore east, Bengaluru
Class : Class 6
decibel is the unit to measure the sounds

Ans 2:

Pranav Prakash from SSSVV GAIL Vijaipur, Guna
Class : Class 9
The unit to measure sounds is decibel.

Ans 3:

Abhimanyu from Indira National School , Pune
Class : Class 5
it is Decibal and unit for frequency of sound is Hertz.

Ans 4:

Naresh Likhar from AECS-4 mumbai, Mumbai
Class : Class 7
Denial unit

Ans 5:

animeshtripathy2005@gmail.com from ST XAVIER'S HIGH SCHOOL, PURI
Class : Class 6
The unit to measure sound are Hertz(hz) and Decibels(dbi)

Ans 6:

iniyan from pon vidyashram, Chennai
Class : Class 5
the units used to measure sound is decibels

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Akul Jindal from Inventure Academy, Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

Raghav toshniwal from jnana prabodhini prashala, Pune
Class : Class 6
by spending money

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Bhanusree ANNE from calorx public school, MUNDRA, KUTCH
Subject :NSO    Class : Class 5

Ans 1:

Meowness from Why should I tell?, Wow
Class : Class 5
Not all white bears are Polar bears. One of them is called a Spirit bear. Another reason is that they live in the polar regions. Hope this helped. :)

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Maanav Bhasin from RN Podar, Mumbai
Subject :NSO    Class : Class 6

Ans 1:

Mrudula Achar from Greenwood High, Bangalore
Class : Class 9
you earn batches when you get out of out marks

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Soundharya from ISWK, Muscat
Subject :NSO    Class : Class 5

Ans 1:

Trinav Majumdar from Akshara Internatonal School, Pune
Class : Class 5
the correct answer is that Mount Fuji is a active volcano.Mostly, few of the answers are wrong in the MTG Science Text Book.

Ans 2:

rashmikedia.ca from JSS PRIVATE SCHOOL, DUBAI, Dubai
Class : Class 5
I think it is active volcano as we have learned about it recently

Ans 3:

Aditya Pradhan from SAI INTERNATIONAL SCHOOL, Bhubaneswar
Class : Class 4
It is a active volcanoes

Ans 4:

Preetham Sivalingam from Delhi Public School Bangalore East, Bengaluru
Class : Class 7
It is an active volcano , an example of dormant volcano is Mt. Apo .

Ans 5:

Tanvi Ritisha Dash from delhi public school bangalore east, Bengaluru
Class : Class 6
hey soundharya both are correct.I checked in internet ,it said that mount fuji is officially classified as active volcano.but only a few people describe it as dormant volcano.that's all.any queries check in internet or wikipedia,.

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Chinmayi S Manoj from Global public school, Kochi
Subject :NSO    Class : Class 6

Ans 1:

abhinav from fitjee world school, Hyderabad
Class : Class 8
alternate phyllotaxy opposite phyllotaxy whorled phyllotaxy

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Bhanusree ANNE from calorx public school, MUNDRA, KUTCH
Subject :NSO    Class : Class 5

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USHASHI CHAKRABARTI from INDUS VALLEY WORLD SCHOOL, CALCUTTA
Subject :NSO    Class : Class 4

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Atharv from JGRVK, Bengaluru
Class : Class 8
Alexender Graham Bell

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Aryan Sirohi from mount litera zee school, Bengaluru
Class : Class 4
Alexander Graham Bell

Ans 3:

Kanishka Ajwani from DAV International School, Ahmedabad
Class : Class 4
Alexender Graham Bell

Ans 4:

SRAVAN SHANKER from Bhavans Varuna Vidyalaya , Ernakulam
Class : Class 6
An inventor named ANTONIO MEUCCI had made and patented a device much like the telephone which he called the 'teletrofono' in 1860,but he was so poor that he could not pay the $10 fee to renew his patent,so he lost it.5 years later ALEXANDER GRAHAM BELL who had seen the 'teletrofono' made his own 'teletrofono' which he called as 'telephone'.

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ANNWESHA PAITH from BHARATIYA VIDYA BHAVAN'S R.K.SARDA VIDYA MANDIR, RAIPUR, Raipur
Subject :NSO    Class : Class 7

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ANNWESHA PAITH from BHARATIYA VIDYA BHAVAN'S R.K.SARDA VIDYA MANDIR, RAIPUR, Raipur
Class : Class 8
PLASMA is 4th state of matter, whereas bose-einstein condensate is the 5th state of matter. I am asking about bose-einstein condensate.

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kunal from Av vidya mandir school , cheeka
Class : Class 7

Ans 3:

S.VIDHUSH from ARB INTERNATIONAL SCHOOL, POLLACHI
Class : Class 7
A Bose - Einstein condensate (BEC)is a state of matter of a dilute of bosons cooled to absolute zero

Ans 4:

Pulkit mittal from GAIL DAV PUBLIC SCHOOL, AURAIYA
Class : Class 9
plasma or bose condensate? clarify it

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Aryan Sirohi from mount litera zee school, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

Aritra Porey from DPS Bangalore North, Bengaluru
Class : Class 10
NATIONAL AERONAUTICS AND SPACE ADMINSTRATION

Ans 2:

Anwesha from DAV public school , Pune
Class : Class 8
national American space agency

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