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Ask QuestionPosted by Varad Golegaonkar 6 years, 5 months ago
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Posted by Priya Vanshu 6 years, 5 months ago
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Yogita Ingle 6 years, 5 months ago
The topmost layer of land which is composed of grainy substance is called soil. Soil is made up of organic matter, minerals and weathered rocks. Soil formation takes place because of weathering of rocks. The soil becomes fertile because of the right combination of minerals and organic matter.
Posted by Priya Vanshu 6 years, 5 months ago
- 2 answers
Yogita Ingle 6 years, 5 months ago
The topmost layer of land which is composed of grainy substance is called soil. Soil is made up of organic matter, minerals and weathered rocks. Soil formation takes place because of weathering of rocks. The soil becomes fertile because of the right combination of minerals and organic matter.
Posted by Shreyash Patil 6 years, 5 months ago
- 1 answers
Yogita Ingle 6 years, 5 months ago
- Malleable: This means that metals can be beaten into thin sheets with a hammer. The property which allows the metals to be hammered into thin sheets is called malleability. Aluminium metal can be hammered to form alumimium foils.
- Graphite is a good conductor, because the structure of the flat sheets of graphite require each carbon atom to use three (3) electrons for bonding, but each carbon atom has four (4) valence electrons the can be easily separated from the atom
Posted by Ayush Singh 6 years, 5 months ago
- 3 answers
Gopika Prajith???? 6 years, 5 months ago
Posted by Ayush Singh 6 years, 5 months ago
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Posted by Shourya Sinha 6 years, 5 months ago
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Shourya Sinha 6 years, 5 months ago
Posted by Vikash Kumar 6 years, 5 months ago
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Sia ? 6 years, 5 months ago
An alloy is a substance made by melting two or more elements together, at least one of them metal.
Posted by Devika S 6 years, 5 months ago
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Meghna Thapar 5 years, 10 months ago
Plastics do not corrode easily. It does not react with air, water or any chemical so it is safe to store many kinds of materials including chemicals.
Posted by Yashashvi Ingle 6 years, 5 months ago
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Sia ? 6 years, 5 months ago
Differences between fertilisers and manure
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Manure |
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Posted by Vikash Singh 6 years, 5 months ago
- 1 answers
Yogita Ingle 6 years, 5 months ago
| These are solids at room temperature except mercury | These exist in all three states |
| These are very hard except sodium | These are soft except diamond |
| These are malleable and ductile | These are brittle and can be breakdown into pieces |
| These are shiny | These are non-lustrous except iodine |
| Electropositive in nature | Electronegative in nature |
| Have high densities | Have low densities |
Posted by Rupali Pardeshi 6 years, 5 months ago
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Posted by Baby Kumari 6 years, 5 months ago
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Devika S 6 years, 5 months ago
Posted by Vansh Naagar 6 years, 5 months ago
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Yogita Ingle 6 years, 5 months ago
| Biotic | Abiotic |
| Biotic is referred to all living parts of an ecosystem. | Abiotic is referred to all nonliving parts of an ecosystem. |
| Biotic factors depend on abiotic factors to survive for their survival. | Abiotic factors don’t rely on the biotic factors for their survival. |
| Directly or indirectly affect the individual species, community, biosphere, the population of species and ecosystem. | Affect the survival of individual species, community, biosphere, the population of species and ecosystem. |
| Obtained directly from the biosphere and are capable of reproduction. | Obtained directly from the lithosphere, atmosphere, and hydrosphere. |
| The measurement is often subjective. | The measurement is often objective. |
| Involved in determining the total number of living things, directly or indirectly affecting the organisms in the environment. | Involved in determining the total number and different types and of organisms existing in the environment. |
| Have an ability to adapt to changes in the environment. | Unable to adapt to changes in the environment. |
Posted by Sanjana Ahirwar 6 years, 5 months ago
- 4 answers
Sarathi Leotolstoy 6 years, 5 months ago
Ridhima Agrawal 6 years, 5 months ago
Yogita Ingle 6 years, 5 months ago
Winnowing is the process of separation of the heavier components from the lighter components of a mixture by wind or by blowing air.
It is generally used by farmers to separate the lighter impurities such as husk particles from the heavier grains.
Posted by Anushree Swami 6 years, 5 months ago
- 2 answers
Aastha ? 6 years, 5 months ago
Yogita Ingle 6 years, 5 months ago
Organisms that are so small that they can only be seen through a microscope are called microorganisms or microbes.
The study of microorganisms is known as microbiology.
Most organisms are hardy and can be found in almost any kind of environment – hot desert, polar ice caps, salt water, marsh lands and inside other organisms.
Posted by Sriram A 6 years, 5 months ago
- 1 answers
Posted by Amol Mundhe 6 years, 5 months ago
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Posted by Aasim Avi Chavhan 6 years, 5 months ago
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Meghna Thapar 5 years, 10 months ago
Cultivation is growing of crops on land whereas harvesting is the practice of cutting of crop after it is mature is called harvesting.
Posted by Aditya Vijay 6 years, 5 months ago
- 1 answers
Meghna Thapar 5 years, 10 months ago
Trees on the roadsides absorb sound and thus reduce the noise pollution.
Posted by Yashvi Ghatiya 6 years, 5 months ago
- 1 answers
Yogita Ingle 6 years, 5 months ago
Microorganisms are very useful to us. They help us in following ways:
(i) Microorganisms help us in food sector. They are used for curdling of milk, preparation of bread, cake, etc.
(ii) Microorganisms are used to produce alcohol at large scale.
(iii) They are also used to produce wine.
(iv) Yeast is used in bakeries.
(v) They are also used as preservatives for food items.
(vi) They are used to make different medicines, especially the antibiotics.
(vii) Microorganisms are used to prepare vaccines for various diseases.
(viii) They are useful for agriculture sector, as they enhance the fertility of soil by fixing nitrogen.
(ix) They work as natural cleaners, as they decompose the dead bodies of plants and animals.
(x) Microorganisms prepare manures by decomposing dead bodies of plants and animals.
Posted by Neha Modi 6 years, 5 months ago
- 2 answers
Yashvi Ghatiya 6 years, 5 months ago
Posted by Aditya Raj 6 years, 5 months ago
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Rimple Aggarwal 6 years, 5 months ago
Posted by Rohit Yadav 6 years, 5 months ago
- 1 answers
Gaurav Seth 6 years, 5 months ago
crop rotation is defined below:
Crop rotation means the cultivation of different crops in the same field year after year. The change of crops helps in maintaining the fertility of fields.
Posted by Darth Vader ☠️☠️??☠️☠️?? 6 years, 5 months ago
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Aishwarya Ramavat 6 years, 5 months ago
Posted by A. Rithika 6 years, 5 months ago
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Yogita Ingle 6 years, 5 months ago
- In most cases, the handle of a screwdriver is made up of plastic. Apart from plastic, many times the handles are also made from wood or metal. Plastic still remains the first choice.
- This main reason for this that plastic handles provide a better grip which doesn't affect the efficiency.
- Talking from the production point of view, plastic handles are cost friendly too.
Posted by Anuja Thorat 6 years, 5 months ago
- 2 answers
Yogita Ingle 6 years, 5 months ago
Scattering seeds on the Earth after soil is prepared for cultivation is termed as Sowing. It is the most important part of agriculture. Plants can’t grow without seeds. The type of seeds sown decides the quality of crops that would come out of it.
Rao Sahab 6 years, 5 months ago
Posted by Puspaben Thakkar 6 years, 5 months ago
- 2 answers
Yogita Ingle 6 years, 5 months ago
The process of removing a plant from the place where it has been growing and replanting it in another is called transplantation.
Tomato and paddy are examples of crops grown by transplantation.
Posted by Hardik Arya 6 years, 5 months ago
- 1 answers
Yogita Ingle 6 years, 5 months ago
Inactivated polio vaccine should not be given at the time of fever or diarrhoea because it may interfere with drugs or antibiotics given fro diarrhoea. But oral polio vaccine can be given at the time of fever and diarrhoea as it does not interfere with any drug or antibiotic.
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