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Posted by Anuj Rawat 6 years, 4 months ago
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Meghna Thapar 5 years, 10 months ago
Red Data Book is the source book which keeps a record of all the endangered animals and plants. There are different Red Data Book for plants, animals and other species. Red Data Book is being published in many different countries and provides useful information on the threat status of various species.
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Harshit Dhami 6 years, 4 months ago
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Posted by Parmjeet Singh Aujla 6 years, 5 months ago
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Yogita Ingle 6 years, 4 months ago
The plants and animals found in one particular area are termed to be the flora and fauna of that area. All the living organisms which include plants, animals and microorganisms should be conserved for many reasons.
• Ecological balance should be maintained in order to restore biogeochemical cycles and food chains.
• The variety of wild animals should be preserved in the form of gene bank to enhance breeding programmes.
• Wild animals possess some aesthetic values.
• Wildlife should be conserved by proper planning and management of land, water and other resources.
• Over-exploitation of useful organisms should be stopped.
• Wildlife should be protected from the activities of hunters. Indian government has posed an act against hunting in 1972 – ‘Wildlife Protection Act’.
Posted by Manisha Singh 6 years, 5 months ago
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Meghna Thapar 5 years, 10 months ago
- Balancing the Chemical Equations:
- In a balanced chemical equation, the total number of atoms of each element of the reactants on the left hand side of the equation is equal to the number of atoms of the products formed on the right hand side of the equation.
- The total mass of the reactants is equal to the total mass of the products or the number of atoms of each element before the reaction and after the reaction is equal.
Posted by Tanya Srivastav 6 years, 5 months ago
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Debasmita Deb 6 years, 5 months ago
Sumedha Sahu 6 years, 5 months ago
Posted by Alok Khatri 6 years, 5 months ago
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Posted by Zeeshan Ahmad 6 years, 5 months ago
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Lokanath Reddy 6 years, 4 months ago
Gaurav Seth 6 years, 5 months ago
Meaning of Minerals is given below:
Minerals are homogeneous naturally occurring substances normally found in solid, liquid and gaseous state.
Types of Minerals
Minerals are classified into two types: Metallic and non-metallic.
Posted by Subhash Chand 6 years, 5 months ago
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Deepti Bhargava 6 years, 5 months ago
Tanya Srivastav 6 years, 5 months ago
Hiral Raka 6 years, 5 months ago
Gaurav Seth 6 years, 5 months ago
Natural resources are something which comes from nature and people cannot make natural resources but they can collect it. Some of the examples natural resources are water, wood, iron, and coal. Some of the resources like hydro-electric energy are not natural because they are made by people.
Natural resources are classified into 2 categories:
- Renewable natural resources
- Non-Renewable natural resources
Posted by Subhash Chand 6 years, 5 months ago
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Snehil Choudhary 6 years, 5 months ago
Posted by Divyanshu Mishra 6 years, 5 months ago
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Posted by Priya Vaishnav 6 years, 5 months ago
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Yogita Ingle 6 years, 5 months ago
Iron when reacted with both water and oxygen which present in air (moist air), corrodes. Its silvery colour changes to a reddish-brown, because hydrated oxides are formed which is commonly called as rust.
Reaction showing formation of rust when reacted with water in presence of oxygen (atmosphere).
4Fe + 3O₂+ XH₂O → 2Fe₂O₃.XH₂O
Posted by Vidya Yadav 6 years, 5 months ago
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Snehil Choudhary 6 years, 5 months ago
Priya Vaishnav 6 years, 5 months ago
Posted by Mayank Pachauri 6 years, 5 months ago
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Posted by Tanyang Odii 6 years, 5 months ago
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Gaurav Seth 6 years, 5 months ago
The Solar system consists of the Sun and the celestial bodies which revolve around the Sun. Added to that it consists of a large number of bodies such as planets, comets, asteroids and meteors. The sun is the centre of the solar system and all the planets revolve around the sun in elliptical paths called orbits.
Our solar system consists of an average star we call the Sun, the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Posted by Shyam Mandal 6 years, 5 months ago
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Pankaj Kumar 6 years, 4 months ago
Lavanya Chopra 6 years, 5 months ago
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Gaurav Seth 6 years, 5 months ago
any wild plant that grows in an unwanted place, especially in a garden or field where it prevents the cultivated plants from growing freely
Weeds are unwanted plants that damage the crops in the cultivated field. Example - xanthium and parthenium.
Their removal is necessary because they compete for food, space and light with the growing crops. They also take up nutrients and reduce the growth of crops
Weeds can be controlled by preventive methods such as intercropping and crop rotation, and by the use of pesticides.
Posted by Nayan Soni 6 years, 5 months ago
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Sia ? 6 years, 5 months ago
Malleability is the ability of a substance, usually a metal, to be deformed or molded into a different shape.
Abhijeet Deshmukh 6 years, 4 months ago
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Posted by Prince Tepan 6 years, 5 months ago
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Niharika Kandari 6 years, 5 months ago
Posted by Sanjay Rathinam 6 years, 5 months ago
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Yogita Ingle 6 years, 5 months ago
Fertilizers are commercially produced plant nutrients. They result in higher yields & healthy plants, if applied in proper dose. Enrich the soil with good amount of macronutrients like nitrogen, phosphorus & potassium.
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Sia ? 6 years, 4 months ago
Fauna is all of the animal life present in a particular region or time.
Flora is the plant life occurring in a particular region or time, generally the naturally occurring.
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