CBSE > Class 07 | CBSE Board | Homework Help

when we yawn or feels sleepy, there is not enough oxygen in the lungs, so, whenever we yawn, oxygen is pumped into our lungs, thus there is sufficient amount of oxygen for breathing

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Renuka Seiwal 6 years ago

When we are sleepy, we breath slowly,so we get less Oxygen.To get sufficient oxygen we yawn

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Why we yawn when we are sleepy or drowsy?

Posted by Yuvraj Singh Shekhawat 6 years ago

CBSE > Class 07 > Science

1 answers

Utsav And Luv 6 years ago

Because we feel very tired after working in day

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What is the square root of 100

Posted by Femelia Nongbri 6 years ago

CBSE > Class 07 > Mathematics

6 answers

Naman Ahden 6 years ago

Prime factorization of 100 is 10 so it's sq. Root is also 10

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Sanskriti Sharma 6 years ago

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Ishank Kr 6 years ago

10000

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Aditri Abhaya 6 years ago

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Amita Rasaniya 6 years ago

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Femelia Nongbri 6 years ago

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How is height of land and the character of vegetation related with each other

Posted by Shubhangi Rajemane 6 years ago

CBSE > Class 07 > Social Science

0 answers

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What is theoram

Posted by Pragya Ahuja 6 years ago

CBSE > Class 07 > Mathematics

1 answers

.. ... 6 years ago

A theorem is a statement that can be demonstrated to be true by accepted mathematical operations and arguments. In general, a theorem is an embodiment of some general principle that makes it part of a larger theory. The process of showing a theorem to be correct is called a proof.

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Gift of chappel summary

Posted by Shaikh Abdulla 6 years ago

CBSE > Class 07 > English

1 answers

.. ... 6 years ago

Mridu lives in Chennai with her grandparents.One day she goes to visit her aunt Rukku Manni and her cousins Lalli, Ravi and Meena.Mridu noticed a pair of large chappals when she reached their house.Her cousins showed her a kitten in the backyard which they had found the very same morning in front of the gate.The contrast between what people say and what they actually practice has been portrayed here where parents advice to take care of animals and on the other hand, scream when you do so with animals brought from the street.They share their secret plight and how they fed milk to the kitten, hiding from their mother.They had named the cat Mahendravarma Pallava Poonai.Tracing instances from history, the cousins proved that the cat was a descendant of a lion, the lion which was the emblem of the Pallava dynasty.They thought that the cat was a Mahabalipuram Rishi-cat....

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Class 4

Posted by Panneer Selvam 6 years ago

CBSE > Class 07 > Science

0 answers

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8-4x=8

Posted by Abhay Choudhary 6 years ago

CBSE > Class 07 > Mathematics

5 answers

Naman Ahden 6 years ago

-4x=8+8 -4x=16 x=16÷(-4) x=-4

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Mr Ansh Yadav 6 years ago

Transposing -8 rhs 4x=8+8 4x=16 Divide both side by 4 4x. 16 --- =__ 4. 4 X=4

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Pooja . 6 years ago

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Ishank Kr 6 years ago

How

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Abhay Choudhary 6 years ago

1Thank You

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dheamaka ka pratya shabad roop banakar

Posted by Vishal Jamwal 6 years ago

CBSE > Class 07 > हिंदी

0 answers

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What are rational numbers ?

Posted by Monisha H R 6 years ago

CBSE > Class 07 > Mathematics

0 answers

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Differences between anaerobic and aerobic respiration

Posted by Arjun Rawat 6 years ago

CBSE > Class 07 > Science

2 answers

Rishit Jindal 6 years ago

: Aerobic respiration is a type of which occur in the presence of oxygen to generate energy. : Anaerobic respiration is a type of respiration which occur in the absence of oxygen.

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Pragya Gupta 6 years ago

• aerobic respiration occurs in the presence of oxygen. • anaerobic respiration occurs in the absence of oxygen.

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The height of a parallelogram is one third of its base.if the area is 108 cmsquare, find the base and height

Posted by Goutam Kumar Yadav 6 years ago

CBSE > Class 07 > Mathematics

0 answers

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What do to you you mean by c a m p o s

Posted by A D Sakshi 6 years ago

CBSE > Class 07 > Social Science

1 answers

.. ... 6 years ago

(in South America, especially Brazil) a grass plain with occasional stunted trees.

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In a parallelogram ABCD,AB=7.2cm and the perpendicular from C onAB is 4.5 cm.

Posted by Geetha Sks 6 years ago

CBSE > Class 07 > Mathematics

0 answers

ANSWER

Name the country which belong to polar region

Posted by Vin Pro 6 years ago

CBSE > Class 07 > Science

3 answers

Naman Ahden 6 years ago

Canada,russia,norway,england,finland,greenland,finland and other top countries of europe?

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Utsav And Luv 6 years ago

Norway, Canada, Denmark (Greenland), sweden and finland

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Any Khan 6 years ago

Norway , Finland , sweden and russia

2Thank You

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Gayatri mantra is in which Veda ?

Posted by Tanya Gupta 6 years ago

CBSE > Class 07 > Social Science

2 answers

Naman Ahden 6 years ago

Gayatri mantra is in rig veda

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Any Khan 6 years ago

Rig veda

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Tell me the four kinds of vedas written in the Vedic Age

Posted by Tanya Gupta 6 years ago

CBSE > Class 07 > Social Science

1 answers

Any Khan 6 years ago

Rig veda , sama veda , yajur veda and atharva veda

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ANSWER

What is

Posted by Sujata Walunj 6 years ago

CBSE > Class 07 > Other Subjects

1 answers

सुरेश सुरेश गौर 5 years, 10 months ago

Iight

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Rajeev reads (4/7) in the morning and (1/5) of it in the afternoon. What fraction of the book must he read at night to complete reading it

Posted by Geet Pari 6 years ago

CBSE > Class 07 > Mathematics

1 answers

Aditya Yadav 6 years ago

What is the fullform of DNA

2Thank You

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Charactersketch of princess jahanara

Posted by Any Khan 6 years ago

CBSE > Class 07 > English

0 answers

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I am having raindrops book

Posted by Any Khan 6 years ago

CBSE > Class 07 > English

2 answers

Sambhavisatakshi Kashyap 6 years ago

Means i dont no

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Any Khan 6 years ago

I dont know

3Thank You

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Sir i am having raindrops book

Posted by Any Khan 6 years ago

CBSE > Class 07 > English

2 answers

Any Khan 6 years ago

Dont do anything

1Thank You

Rohit Singh 6 years ago

Oooooo but i don't have what can i do

1Thank You

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Important theorem tell me

Posted by Mukesh Kumar 6 years ago

CBSE > Class 07 > Mathematics

0 answers

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What is shikaras

Posted by Saju Bava 6 years ago

CBSE > Class 07 > Social Science

5 answers

Dimpalben Bhadreshbhai. Patel 5 years, 11 months ago

The top pointed portion of temple is called Shikhara.

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Nanabhau Mahale 6 years ago

Shikhara is the top of the Hindus temple

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Erin Johana 6 years ago

The top most point part of a temple is known as shikhara

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Any Khan 6 years ago

Shikhara is a tower like structure on the top of the temple .

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Poornima M 6 years ago

The topmost point of the temple

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What was surat famous for

Posted by Krish Kumar 6 years ago

CBSE > Class 07 > Social Science

6 answers

Naman Ahden 6 years ago

the port city of surat developed on the left bank of the river it became india's chief port under the mughals it was linked to bengal by a trading route through it was an important centre of textile trade it had used banking houses whose hundis(bill of exchange) were honored overseas it had flourishing shipbuilding industries too it lost its importance when the calcutta, madras, bombay and delhi became india's metro cities

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Nanabhau Mahale 6 years ago

For trading

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Erin Johana 6 years ago

Surat was famous for it's zari textiles

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Vikram Mewada 6 years ago

In surat all the people from different states come for selling different varities of material and European also come to sell or for buy something

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Any Khan 6 years ago

I was famous for its zari textiles which had a huge market in west asia , africa and europe