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Subject :NSO    Class : Class 10

Ans 1:

Class : Class 10
Ans is c

Ans 2:

Class : Class 10
Ans C

Ans 3:

Class : Class 10
Ans C

Ans 4:

Class : Class 9

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
But why not D? If trees were cut down at point P, then why is the point at lowest pollution?

Ans 2:

Class : Class 5
ZW,M35645RX7LNASZETZYE4TSNAEN3ENBQ42

Ans 3:

Class : Class 7
A

Ans 4:

Class : Class 7
correct answer is b

Ans 5:

Class : Class 5
I see

Ans 6:

Class : Class 5
The correct answer is option A

Ans 7:

Class : Class 4
The answer is b

Ans 8:

Class : Class 5
The answer cannot be B because the timeline Q-R is a decrease in pollution whereas if a factory was set up in point Q.Q-R would be an increase of pollution and not a decrease.In point P trees were cut and because of that P-Q is an increase in pollution and not a decrease .So,the answer is not B but A.

Ans 9:

Class : Class 4

Ans 10:

Class : Class 5
ANSWER IS B !!!!!!!

Ans 11: (Master Answer)

Class : Class 1
The correct answer is A.

Ans 12:

Class : Class 6
GRAHH

Ans 13:

Class : Class 5
b

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9
Yeah bro

Ans 2:

Class : Class 10
yeah

Ans 3:

Class : Class 9
Hi friend. The ans is (A) 100 because on richter scale the magnitude is increased ten times every number. for example 2 is 10 times 1 on richter scale.

Ans 4:

Class : Class 8
YOu are absolutely right dude

Ans 5:

Class : Class 8
In my opinion, the answer should be option (A) instead of option (B). On the Richter scale (which is a non-linear scale), the power of an earthquake increases by 10 with every consequent number. Thus, an earthquake of 2 on the Richter scale is 10 times more powerful than an earthquake of 1 on the Richter scale. Thus, an earthquake of 8 on the Richter scale is more powerful than an earthquake of 6 on the Richter scale, by a factor of 10⁸⁻⁶, or 10². Thus, an earthquake of 8 on the Richter scale is 100 times more powerful than an earthquake of 6 on the Richter scale.

Ans 6:

Class : Class 9
YesvI think the same

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 9

Ans 2:

Class : Class 9

Ans 3:

Class : Class 9

Ans 4:

Class : Class 7
C

Ans 5:

Class : Class 9

Ans 6: (Master Answer)

Class : Class 1
The correct answer is C.

Ans 7:

Class : Class 6
C for sure

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
Augustine is correct.

Ans 2:

Class : Class 6

Ans 3:

Class : Class 6
THE ANSWER IS C BECAUSE BY INCREASING THE TILT OF THE TRAY, THE WATER FLOWS FAST AND ERODES THE SOIL MORE

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9
d is correct

Ans 2:

Class : Class 8
D

Ans 3:

Class : Class 8
The correct answer should be D. Because temperature of air increases, density decreases and so, frequency of sound increases. But, according to me, it may or may not affect the wavelength, but the time period will definitely decrease. The options are a bit confusing.....

Ans 4:

Class : Class 4

Ans 5:

Class : Class 9
no it can not be option d as temperature has no effect on frequency. Wheather temperature increases or decreases frequency remains unchanged. So, the answer could be either time period or frequency.

Ans 6: (Master Answer)

Class : Class 1
The correct answer is C.

Ans 7:

Class : Class 10
yeah, the answer is d

Ans 8:

Class : Class 9

Ans 9:

Class : Class 8
It should be answer D. If wavelength changes, frequency and time period will also change.

Ans 10:

Class : Class 9
IT IS D!

Ans 11:

Class : Class 8

Ans 12:

Class : Class 7

Ans 13:

Class : Class 9

Ans 14:

Class : Class 6

Ans 15:

Class : Class 8
d

Ans 16:

Class : Class 3

Ans 17:

Class : Class 4

Ans 18:

Class : Class 8
The answer is D. If wavelength changes , then frequency and time period will also change. Wavelength is inversely propotional to frequency and directly propotional to time period.

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
Answer is C

Ans 2:

Class : Class 7
I will go with D

Ans 3:

Class : Class 7
i wiil go with c

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
A is the right option

Ans 2:

Class : Class 8
It's (A) as evaporation causes cooling.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
ADMIN

Ans 2: (Master Answer)

Class : Class 1
The correct answer is B.

Ans 3:

Class : Class 6

Ans 4:

Class : Class 4

Ans 5:

Class : Class 8
correct ans is b

Ans 6:

Class : Class 4

Ans 7:

Class : Class 5
B😰

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 5
http://www.sofolympiadtrainer.com/user/endTest/resultReport

Ans 2:

Class : Class 6
The answer is (c)

Ans 3:

Class : Class 6

Ans 4:

Class : Class 10

Ans 5:

Class : Class 9
c

Ans 6:

Class : Class 7
c

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