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Urvashi Mishra 3 years, 9 months ago

The 4 principal biological systems are 1) Fisheries 2) Croplands 3) Grasslands 4) Forests These four principal are affected on a large scale they are exploited on a large scale, forest are cut down, grasslands are overgrazed , overfishing and use of fertilizer are affecting them too
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Anjan Karthi 3 years, 9 months ago

1) Synapsis formation (Zygotene). 2) Crossing over of genetic material (Pachytene). 3) Separation of homologous chromosomes in a tetrad along with chiasmata - region of genes from other chromosome (anaphase-1). 4) Separation of chromatids of homologous chromosomes to produce haploid condition (anaphase-2).
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Namrata Tiwari 3 years, 9 months ago

sports should be compulsory in school or college because it plays a very significant role in everyone's life. Sports is all about success, achievement, teamwork and friendly competition. It is an excellent way to increase fitness levels and remains healthy. It is the best way to reduce stress, depression and anxiety It refreshes mind and gives us relax. Sports provides a great opportunity to develop different skills and personality development. It helps in the development of the mental, physical and emotional attributes. It improves our mood and boost our ability to concentrate on the work for achieving the goal. It helps in making new friends and become more open and outgoing.
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Hruday Reddy 3 years, 8 months ago

When bomb is dropped from aeroplane its forward velocity =40m/s Downward velocity =0 t~time taken S=ut+1/2gt² 4.9t²=490 t=10s Horizontal distance traveled=velocity ×time =40×10 =400m
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Prince Yadav 3 years, 5 months ago

It is deepa malik. She is para athlete who plays shot put.She is also a silver medalist in Rio Olympics.

Riya Sharma 3 years, 8 months ago

Badminton
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Bhumika Chahar 3 years, 9 months ago

Error
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Preeti Dabral 2 years, 11 months ago

Time period T= time required to complete one oscillation.

At equilibrium T0​=mg.

For small displacement θ

Restoring force =−mgsinθ

for small θ sinθ≈θ

{tex}\begin{aligned} & \Rightarrow \mathrm{fe}=-\operatorname{mg} \theta=-\mathrm{mg}\left(\frac{\mathrm{x}}{\mathrm{l}}\right) \\ & \text { acceleration } \mathrm{a}=\frac{\mathrm{fe}}{\mathrm{m}}=\frac{-\mathrm{g}}{1} \cdot \mathrm{x} \end{aligned}{/tex}

We know for SHM, a=−w2x

{tex}\begin{aligned} & \Rightarrow \text { On comparing we get } \mathrm{w}=\sqrt{\frac{\mathrm{g}}{\mathrm{l}}} \\ & \therefore \text { Time period of oscillation } \mathrm{T}=\frac{2 \Pi}{\mathrm{w}}=2 \Pi \sqrt{\frac{1}{\mathrm{~g}}} \end{aligned}{/tex}

 

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Arzi Arzi 3 years, 2 months ago

Ch 5 Nomadic empire

A R 3 years, 9 months ago

The industrial revolution was a time of important changes in the way that children and women worked. Children of the rural poor had always worked at home or in the farm at jobs.The earning of women and children were necessary to supplement men's meagre wages. They were employed in large numbers in the cotton textile industry.Machinery like the cotton spinning Jenny was designed to be used by the child workers with their small build and nimble fingers. The long hours of work including cleaning the machine on Sunday allowed them little fresh and exercise.Coal mines were also dangerous places to work.Younger children worked as trappers who opened and shut doors sa the coal wagons travelled through mines.The evidence from British factory records reveals that about half of the factory workers had started work when they were less than 10 years old and 28 percent when they are under 14. The children they lost at birth or in early childhood and the squalid urban slums that industrial work compelled them to live in.
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Amit Verma 3 years, 7 months ago

investment programme funded by shareholders that trades in diversified holdings and is professionally managed
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Amit Tiwari 3 years, 9 months ago

Sheep jacket.....
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Divya. Kumari 3 years, 8 months ago

Go to google
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Vinay Rawat 3 years, 9 months ago

Legislature is the second organ of a democratic government. Legislature at the central level is called parliament. It consists of President and two house (Lok sabha and Rajya sabha) Legislature is making the laws and introduce new laws time to time
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Bhumika Chahar 3 years, 9 months ago

'Doping' in the word used in the field of sports,to refer to the situation when athletes use prohibited substances or methods to unfairly improve their Sporting performance this activity is known is doping

Kia Hg N 3 years, 9 months ago

It is consumption of any illegal substance for great output in body to win the competition.
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Preeti Dabral 2 years, 11 months ago

Latent Heat

When a substance adjustments phase, this is it is going from both a strong to a liquid or liquid to gas, the strength, calls for strength to do so. The potential energy withinside the interatomic forces among molecules desires to be conquered with the aid of using the kinetic strength of the movement of the particles earlier than the substance can change phase.

Latent Heat of Fusion and Vaporization

The strength required to extrude the section of a substance is referred to as latent heat. The phrase latent means were hidden. When the phase extrudes is from strong to liquid we ought to use the latent warmth of fusion, and whilst the phase extrude is from liquid to a gas, we ought to use the latent warmth of vaporization.

To initiate a phase change and whole it, a little energy withinside the form of heat is required. This heat is referred to as latent heat. Thus all of the energy provided all through this phase may be applied best for the phase change method and now no longer for increasing the temperature. Thus all through the discharge of latent heat, the temperature stays constant.

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Preeti Dabral 2 years, 11 months ago

The relationship between Rights and Duties are:

  1. The social interdependence of man results in the interlocking of rights and duties. As Mobhouse remarked, “Rights are what we expect from others and others from us”.
  2. Rights imply duties. Both are complementary. The right of one is the duty of others and vice-versa. Gandhi once observed, “Begin with the charter of duties of man and promise the rights will follow as spring follows winter”.
  3. Both become meaningless in the absence of the other. No person can enjoy rights in the absence of duties as a right without duty is nothing but shielded anarchism, ready to establish the idea of might is right. Similarly, duties without rights are nothing but glorified slavery.
  4. Rights are used for the development of a man’s personality. But he is under an obligation to use them for social welfare. This means that the individual owes to society as much as he claims from it.
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Urvashi Mishra 3 years, 9 months ago

Reck'd - Unreck'd Land and bottomless sea

Rohit Agrawal 3 years, 9 months ago

Hi nehal
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Kia Hg N 3 years, 9 months ago

Sports training is process of all scientific and systematic channels of sport person for achieving . It aims at enhacing sport performance. It's principle are essential for great productivity and to handle loads
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Kanjit Kherkatary 3 years, 7 months ago

Ok

Anandi Sigar 3 years, 9 months ago

Dust and salt particles having hydroscopic nuclei around which water vapour condence to produce clouds

Anandi Sigar 3 years, 9 months ago

Dust particles having hydroscopic nuclei to form clouds by precipitation

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