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  • 1 answers

Yogita Ingle 6 years, 10 months ago

  • Artificial Satellites are man-made objects which revolve around a planet just like natural satellites do.
  • Aryabhatta was the first Indian satellite launched in 1975 .
  • Some other satellites by India are Bhaskara (1979) , Rohini (1980), INSAT-4C (2006), Chandrayaan (2008)
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Super Stare 6 years, 10 months ago

Biomagnification, also known as bioamplification or biological magnification, is the increasing concentration of a substance, such as a toxic chemical, in the tissues of tolerant organisms at successively higher levels in a food chain.
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Meghna Thapar 5 years, 6 months ago

A natural satellite was created by nature, like the moon. The Earth's moon is one example of a natural satellite. Artificial satellites are created by humans, like communications satellites. However artificial satellites are built on Earth and are then taken into orbit by rockets or released by a space station. Human made Satellites or An artificial satellite is an object that people have made and launched into orbit using rockets. There are currently over a thousand active satellites orbiting the Earth. The size, altitude and design of a satellite depend on its purpose. Example- International Space Station(ISS)

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Yogita Ingle 6 years, 10 months ago

  • Wash your eyes with clean cold water.
  • Do not use too bright or too dim light while reading or doing work. Dim light can cause eye strain and headaches. Too bright light can injure the retina.
  • Avoid reading in a moving vehicle.
  • Never rub your eyes if something gets inside. You should wash your eyes with clean cold water.
  • Self-treatment could be dangerous to the eyes. You must consult a doctor in case of any injury to the eyes.
  • Good nutrition is very important for both your general and eye health. Good nutrition keeps the eye in good condition.

Some activities that causes damage to out eyes

  • First one Mobile phones and other appliances like computer, laptop are main cause to damage our eyes.
  • Second one in India dust is main problem through which it cause serious problems in eyes.

 

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Yogita Ingle 6 years, 10 months ago

Implantation is the beginning of pregnancy at which stage the embryo adheres to the wall of the uterus. Some embryos fail to implant in the womb, while others implant successfully, leading to pregnancy.

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Aakash Panchal 6 years, 10 months ago

A plants which live in any symbiotic relationship, like :-algae with fungi
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Divyansh Vashishtha 6 years, 10 months ago

Natural phenomena can be termed as those things that occur on the earth naturally. They occur without the interruption of human beings.
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Kanchan Bala Sahu 6 years, 11 months ago

Noise is unpleasant soun for our ears and music is pleasnt soun for our ears Noise is cause due crosses of variable range of our ears and music is causes because it doesnot crosses the variable range of our ears
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Rudra Sen Singh 6 years, 11 months ago

The voice box, or larynx, is the portion of the respiratory (breathing) tract containing the vocal cords which produce sound. It is located between the pharynx and the trachea. The larynx, also called the voice box

Pranav Pandey 6 years, 11 months ago

A sound come from a box is called voice box
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Kritika Singh 6 years, 10 months ago

Bathing in rivers and throwing garbage in rivers causes nose pollution
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Dr Shalini Mishra 6 years, 11 months ago

electroscope is a device which test whether an object is carrying current or not
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Meghna Thapar 5 years, 6 months ago

The major difference between conduction and induction is that conduction allows the charging of a neutral body with a charged body by forming a direct contact with it. While induction is the process of charging a neutral body by a charged body without making any direct contact. Charging by conduction involves the contact of a charged object to a neutral object. ... In contrast to induction, where the charged object is brought near but never contacted to the object being charged, conduction charging involves making the physical connection of the charged object to the neutral object.

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Khushi Ranka 6 years, 11 months ago

Meteorites- Some meteors are large and so they can reach the Earth before they evaporate completely.The body that reaches the Earth is called a meteorite. Meteors- Bright streaks of light in the sky are commonly known as shooting stars,although they are not stars.They are called meteors.
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Yogita Ingle 6 years, 11 months ago

The human voice consists of sound made by a human being using the vocal tract, such as talking, singing, laughing, crying, screaming, etc. The human voice frequency is specifically a part of human sound production in which the vocal folds (vocal cords) are the primary sound source. 

Generally speaking, the mechanism for generating the human voice can be subdivided into three parts; the lungs, the vocal folds within the larynx (voice box), and the articulators. The lung (the pump) must produce adequate airflow and air pressure to vibrate vocal folds (this air pressure is the fuel of the voice). The vocal folds (vocal cords) are a vibrating valve that chops up the airflow from the lungs into audible pulses that form the laryngeal sound source. The muscles of the larynx adjust the length and tension of the vocal folds to ‘fine-tune’ pitch and tone. The articulators (the parts of the vocal tract above the larynx consisting of tongue, palate, cheek, lips, etc.) articulate and filter the sound emanating from the larynx and to some degree can interact with the laryngeal airflow to strengthen it or weaken it as a sound source.

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Quzzel ?? Marina 6 years, 10 months ago

6000 to 8000
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Subhajit Chaudhury 6 years, 11 months ago

The phenomenon whereby the earth atmosphere traps solar radiation because of the presence of gases such as carbon dioxide, water vapour, and methane is called the greenhouse effect.
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Meghna Thapar 5 years, 6 months ago

If frictional force is absent then we may face the following consequences:

1. We cannot walk .
2. We will not get a grip to hold things, then we cannot eat,write,Hold pen or pencil etc.
3. Moving things cannot be stopped.
4.Buildings cannot be constructed.
5. We cannot fix a nail to the wall.
6.We cannot stand properly without a grip.
7.we would keep slipping.
8.Nothing will be steady on ground. , things will not be at a proper places because of no grip.
9.Brakes in the car / vehicles will be useless.
10. Finally all the things, including us will be floating in the air.

 

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Subhajit Chaudhury 6 years, 11 months ago

Hydrochloric acid

Jayesh Singh 6 years, 11 months ago

Hydro chloric acid

Sahasree Sabitha 6 years, 11 months ago

hydro chloric acid
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Yogita Ingle 6 years, 11 months ago

These are the crops grown in winter season extenting from october to march. These are winter crops depending on irrigation sources. Rabi cops include wheat, gram, mustard etc.

Diksha Singhrakhani 6 years, 11 months ago

The crop which grow in winter season
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Yogita Ingle 6 years, 11 months ago

Pole Star (or ‘Dhruva Tara’) appears stationary in the celestial sphere unlike other stars which seem to be moving.
Pole Star has been one of the most familiar stars to travelers in earlier times to find directions at night. It appears stationary because it is situated in the north direction along the axis of rotation of the earth.

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Yogita Ingle 6 years, 11 months ago

Stars do glow during the day, but we can't see them because of the glare of sunlight. When the sun is up, the blue color in sunlight gets scattered all over the atmosphere, turning the sky the familiar bright blue color. This blue light is much brighter than the faint light coming from the stars, so it prevents us from seeing them.

Sakshi Choudhary 6 years, 11 months ago

Because of the bright light of the sun we are unable to see the stars in the day.. Hope it would be helpful..!
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Yogita Ingle 6 years, 11 months ago

Metals are a good conductor of electricity which means that they can conduct electricity due to the free moving electrons present in them. Copper is used as wiring as it is a good conductor of electricity. Nonmetals are insulators which means that they’re poor conductors of electricity.

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Meghna Thapar 5 years, 10 months ago

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Aakash Panchal 6 years, 10 months ago

Ursa major is sapt rashi and ursa minor is great bear
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Aakash Panchal 6 years, 11 months ago

It is a hydrocarbon

Sayant Sharma 6 years, 11 months ago

Petroleum is a natural resource which is found bneath the earth and there are diffrent types of petroleum and thier boling point the most boiled petrol is ashplat
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Rasmeet Singh Saini 6 years, 11 months ago

Importance of Reproduction: Reproduction is an important characteristic feature of living organisms. It is an essential life process which not only helps in survival but also helps in continuity of that race and group immortality, as by reproduction. ... Reproduction also helps in increasing the population of the species.
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Rasmeet Singh Saini 6 years, 11 months ago

Lateral inversion" means the apparent reversal of the mirror image's left and right when compared with the object. "Lateral" just means "sideways". ... In a plane mirror, each point on the image is as far behind the mirror plane as the corresponding point on the object is in front

Yogita Ingle 6 years, 11 months ago

The phenomenon due to which left-hand side of an object appears as right-hand side of the object and vice versa is called lateral inversion.
For example, the word AMBULANCE is painted left-right inverted on the ambulance so that when the driver of a vehicle in front looks into his rear-view mirror, he can make out the word AMBULANCE quickly and give way.

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