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Every action has an equal and opposite reaction... 1. Slapping someone. 2. When a book is kept on a table, the book puts some pressure on the table and the table opposes the book's pressure with its own pressure. 3. While walking, we exert pressure on the ground and the ground exerts pressure on us. Baaki 4 or 5 mein objects change kardiyo

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Kishan Kai 7 years, 6 months ago

First example in slap and second is ball through on wall third

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5 example of 3rd law of motion

Posted by Narayan Gurjar 7 years, 6 months ago

CBSE > Class 09 > Science

1 answers

David Thapa 7 years, 6 months ago

1) In order to swim, a man pushes water backwards with his hands.Due to the reaction offered by water to the man is pushed forwards.
2) While rowing a boat, a person pushes water backwards with the help of the oars. Due to the reaction exerted by the water, the boat moves forward.

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What is bone marrow?

Posted by Akshay Kumar 7 years, 6 months ago

CBSE > Class 09 > Science

1 answers

Tanya Sharma 7 years, 6 months ago

Bone marrow is soft ,gelatinous tissue that fills the medullary cavities, the centers of bones the two types of bone marrow are red bone marrow ,known as myeliod tissue and yellow bone marrow ,or fatty tissue...

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Define gravitation

Posted by M Harini 7 years, 6 months ago

CBSE > Class 09 > Science

4 answers

Arjun Singh 7 years, 6 months ago

The force of gravitation is directly proportional to the product of masses of objects and inversely proportional to the square of the distance between the objects

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Sakshi Mishra 7 years, 6 months ago

Two objects having certain mass always used to attract each other this attractive force is called gravitational force and this phenomenon is called as graviataion.......????

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Akshay Kumar 7 years, 6 months ago

Sorry i mistake a thing from inversely proportional to the square of distance between them .

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Akshay Kumar 7 years, 6 months ago

Gravitatation is weak force in which any two object in univere attract each other with a force it is proportional to the product of their masses and inversely proportional to the square of between them.

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Define amplitude

Posted by Radhika Mittal 7 years, 6 months ago

CBSE > Class 09 > Science

1 answers

Aditya Naryan 7 years, 6 months ago

The amplitude of sound wave in air is the maximum displacement of a layer of air from its mean position as the sound wave passes through

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Why are lyosomes as suicide bab

Posted by Aashu Behl 7 years, 6 months ago

CBSE > Class 09 > Science

6 answers

Basant Basant 7 years, 6 months ago

lysosomes contain powerful digestive enzymes called acid hydrolysis when the gets damage than it digest their own cell because of their ability to digest cellular components that is why lysosomes called suicide bag of the cell

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Yash Raj 7 years, 6 months ago

while a distrubance in the metabolism of the cell e.g÷ when the cell gets damaged Lysosomes may brust and its enzymes eat up their own cells hence,Lysosomes are known as suicide bag.

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Aditya Naryan 7 years, 6 months ago

It is synthesized by Golgi body contains 40 hydrolytic enzymes it is single membrane bound structure acting as digestive unit and cleaning agent of cell when some foreign particles enter inside sell it in Gulf it by phagosome and even it in Gulf the one out a cell organelle the and acting as cleaning agent when there is nothing to digest it start engulfing it's a cell organelle which leads to death of cell or even when the metabolic process of body gets abnormal interest and the forty hydrolytic enzymes and leads to get off the shelf so it is also known as suicidal bag of the cell

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M Harini 7 years, 6 months ago

Sorry , damage

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Aashu Behl 7 years, 6 months ago

Lyosomes are cell organelles filled with hydrolytic (digest) enzymes. When the cell gets damaged, lyosomes may burst and the enzymes digest their own cell. Therefore lyosomes are also known as the 'suicide bag' of a cell

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M Harini 7 years, 6 months ago

When any famage occur in the cell the lysosomes burst itself and digest the own cell

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Science Hindi midiuam me nhi h kya

Posted by Vikas Kumar 7 years, 6 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

The average distance of the sun from a planet is 4 times in comparison to its distance from the earth in how many years that planet will complete one Revolution around the sun?

Posted by Aditya Naryan 7 years, 6 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

describe endoplasmic recticulam

Posted by Sonu Prajapati 7 years, 6 months ago

CBSE > Class 09 > Science

1 answers

Parth Dwivedi 7 years, 6 months ago

Endoplasmic reticulum is a cell organelle it is of two types rough endoplasmic reticulum(RER) and smooth endoplasmic reticulum(SER) the RER endoplsmic reticulum is rough because it has ribosomes connected to its surface the it produces ribosomesand the SER produces lipids amd hormones

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Previous years science question paper of second periodic test

Posted by A G 7 years, 6 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

Why does tape worm do not have digestive enzymes?

Posted by Arpan Mavi 7 years, 6 months ago

CBSE > Class 09 > Science

1 answers

Yogita Ingle 7 years, 6 months ago

Tapeworms are parasites and their body walls absorbs the digested food from the host animal in which they live.So they dont need a digestive tract .

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Is bromine is metal

Posted by Nilesh Chauhan 7 years, 6 months ago

CBSE > Class 09 > Science

4 answers

Parth Dwivedi 7 years, 6 months ago

No bromine is a non metal because it does not have properties of metal it has a vulnarable bad smell and it can destroy hard aluminium it is not malleable ductile sonorous not a conductor of electricity so it isnot a metal

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Diksha . 7 years, 6 months ago

No, its a non metat which is liquid at room temp

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Aditya Naryan 7 years, 6 months ago

No as we go for electronic configuration of bromine ,we got it have 7 electrons in its valence shells hence its tendency is to gain an electron which make it a non metal.

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Marquez Xayvion 7 years, 6 months ago

Yes bromine is a metal

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what hululu

Posted by Sonu Prajapati 7 years, 6 months ago

CBSE > Class 09 > Science

1 answers

M Harini 7 years, 6 months ago

I can't understand your question

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Why rusting of iron is a chemical change where as melting of ice is a physical change

Posted by Aditi Shrivastava 7 years, 6 months ago

CBSE > Class 09 > Science

2 answers

Basant Basant 7 years, 6 months ago

Because we know that chemical change do not reversible that is why when a iron become rusted then it cannot be de-rusting

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Arpan Mavi 7 years, 6 months ago

Because rusting of iron can not be de-rusting where as ice can be de-freezing (melting).

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How do birds build their nest and bay their egga

Posted by M.S.Aditya Senthil Kumar 7 years, 6 months ago

CBSE > Class 09 > Science

1 answers

Aadarsh Thakur 7 years, 6 months ago

Fzzskcghskdajrhbrz. Echesys. .,gsjxggssuxxm. AgzCsbsyaiaefdg

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Define isotopes and isobar??

Posted by Riya Rajeev 7 years, 6 months ago

CBSE > Class 09 > Science

2 answers

Anshika Prakash 7 years, 6 months ago

Isotopes r elements with same atomic number bit different atomic masses.eg -deutrium and tritrium Isobars are elements with different atomic number and same atomic mass.

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Shubham Ware 7 years, 6 months ago

The isolated is hdudhjsoxbjs uehksoxvd bwuh dgdu sjsbdhhddb iwjdhdjs jdkd bxhdu dgbyeuwheh uwdgdu sbdydkbdhd gdgdhd yhdydgdhdb hdbdhdb dhbdydhxt gdususgxjs wex 7suwgwbw sefsyshshhdjdbad GshshdhwusbdksuwhGSJWBSUHD UWJSISUSGDBD SGUHDHEIEH UDUEBD

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What is a meaning of plant

Posted by Utkarsh Shroty 7 years, 6 months ago

CBSE > Class 09 > Science

1 answers

Arpita _ ? 7 years, 6 months ago

Plant is a natural resourse from which we get fruit , vegetable , medicine , flowers etc......

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Summative 1 exam sample questions of class 9th

Posted by Babar Bawar 7 years, 6 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

Kya Kisi tree ki leaf pink Ho sakti h

Posted by Shivani Kasniya 7 years, 6 months ago

CBSE > Class 09 > Science

6 answers

Sanjeev Kumar 7 years, 6 months ago

Yes, with the help of genetic engenearing

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Anshika Prakash 7 years, 6 months ago

Yes

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Arpita _ ? 7 years, 6 months ago

Yes... I saw.

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Yogendra Pratap Singh Rathore 7 years, 6 months ago

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📕Queen 📕Queen 7 years, 6 months ago

It depends on the water pored on it

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Krishana Singh 7 years, 6 months ago

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7 class

Posted by Jaganath Mulge Jaganath Mulge 7 years, 6 months ago

CBSE > Class 09 > Science

1 answers

Krishana Singh 7 years, 6 months ago

7class -species

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why water at a room temperature is a liquid .

Posted by Sara Chatterjee 7 years, 6 months ago

CBSE > Class 09 > Science

2 answers

Anshika Prakash 7 years, 6 months ago

Because its boiling point is 100C and freezing point is 0C

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Sneha Arora 7 years, 6 months ago

Water at room temperature is a liquid because: 1.It posseses fluidity. 2.It takes the shape if the container in which it is kept.

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Name of property which show ammonium chloride but not sodium chloride

Posted by Maanu Sai 7 years, 6 months ago

CBSE > Class 09 > Science

2 answers

Arpan Mavi 7 years, 6 months ago

Sublimation

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Sneha Arora 7 years, 6 months ago

Evaporation

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When we release book from at some height when it touch the ground it do not come back to its initial position but in newton third law there is to every action there is equal and opposite reaction?state why book do not come to its initial position but same force apply on this?

Posted by Tahir Ali 7 years, 6 months ago

CBSE > Class 09 > Science

2 answers

Tahir Ali 7 years, 6 months ago

Why????it is one of the law of motion so give a right answer

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Bhavya Singh 5 years, 11 months ago

see actually Newton's third law of motion is not applicable at all cases

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Waht is metal

Posted by Aqsa Alam 7 years, 6 months ago

CBSE > Class 09 > Science

2 answers

Sneha Arora 7 years, 6 months ago

Metals are good conductor of heat and electricity. They are sonorous,ductile and malleable.Ex iron.

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Deepak Tiwari 7 years, 6 months ago

Metals are the good conductors of heat and electricity. Ex.-sodium,etc.

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Why newton discovered gravity?????

Posted by Sarvotam Sidhu 7 years, 6 months ago

CBSE > Class 09 > Science

2 answers

Hanshika Nishad 7 years, 6 months ago

Newton discovered gravity because one day when he was sitting under a tree, an apple fell down on his head from it which makes him feel that why the apple fell down on his head why not up, left or right. So from this experience he began to discover gravity.

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Chhavi Dalal 7 years, 6 months ago

Because of his mind like in your mind to ask the question

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