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Subject: EVS, asked on 20/6/16

who discovered virus and how and why did he do it

Subject: Science, asked on 6/8/22

Why do the soles of our shoes get torn after walking for a long time?

Subject: Science, asked on 25/6/21

Waves which range from 20 hz to 20,000 hz

A) cannot be heard by human beings.
B) is the hearing range for human beings.
C) is the hearing range of bat.
D) is the hearing range of dolphins.
E) is the hearing range of elephants.
F) is not hearing by Anyone.
G) is hearing by bat and elephants also.
H) is only heard by tiny creatures.

Subject: Science, asked on 15/2/21

How does an AC duct helps an AC to give cool air

Subject: Science, asked on 15/2/21

How does an AC duct work?

Subject: Science, asked on 5/12/20

A force applied on a stationary object make it move. Is it applicable in all cases ??Justify your answer with the help of an example???

Subject: Science, asked on 31/1/20

list two uses of an inclined plane

Subject: Science, asked on 31/1/20

How is a pair of scissors similar to a traditional see saw?

Subject: Science, asked on 31/1/20

Why do Wheels on skates not have grooves?

Subject: Science, asked on 5/2/19

What is a wheelbarrow?

Subject: Science, asked on 28/1/18

Which simple machine is hatch 

Subject: Science, asked on 4/1/18

what is field force??

Subject: Science, asked on 28/12/17

state the kind of lever in the following machines
a] nut cracker                 b] fishing rod             c] bottle opener       d] wheel barrow 

Subject: Science, asked on 28/12/17

what are the uses of pulley

Subject: Science, asked on 20/11/17

it too hard too hard for us to walk in through water but fish can move through water really quickly. why is it? 

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