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Ask QuestionPosted by Moin Uddin 5 years, 7 months ago
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Meghna Thapar 5 years, 5 months ago
The number of electrons of sodium atom is 11 of which 2 occupy the n=1 level, 8 occupy the n =2 level and 1 occupies the n= 3 level according to the rule that the maximum number of electrons a level can occupy is . So the quantum numbers for n = 3, l = 0, m=0, s= +/- 1/2. For example, sodium is in the third period of the table, so its principal quantum number is 3. Denote the principal quantum number as n and the second number, shape, is anywhere from 0 to n-1. So for sodium, the second quantum numbers are 0,1 and 2.
Posted by Laximan Sarde 5 years, 7 months ago
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Meghna Thapar 5 years, 5 months ago
During spermatogenesis, your testicles make several million sperm per day — about 1,500 per second. By the end of a full sperm production cycle, you can regenerate up to 8 billion sperm. This may seem like overkill, but you release anywhere from 20 to 300 million sperm cells in a single milliliter of semen. Each drop of healthy ejaculate (also known as semen or “cum”) contains millions of sperm. Semen also contains fluids from the seminal vesicles and the prostate gland.
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Yogita Ingle 5 years, 7 months ago
A Network could be a association of 1 or additional computers placed in associate surroundings, and also the Internet is that the relationship of computers connecting them from everywhere the planet.
Posted by Harjinder Singh 5 years, 7 months ago
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Aishani Vyas 5 years, 7 months ago
Yogita Ingle 5 years, 7 months ago
Biotic Resources are obtained from the biosphere and have life. Eg: Human beings, flora and fauna, fisheries, livestock etc. Abiotic Resources: All those things which are composed of non-living things are called abiotic resources.
Posted by Shradha Bansal 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
India has a varied land use pattern given the geographical diversity of the country. Land use pattern in India is as follows:
i) Net Sown Area is 46% of the total geographic area because of extensive availability of flat terrain in India.
ii) About 22% area of the country is under forest cover.
iii) Barren and unculturable waste land amount to about 8.5%.
iv) About 5.5% is under non-agricultural uses like houses, industries etc.
Rest of the area is under tree crops, grooves, permanent pastures and grazing lands etc.
The land area under forest have increased only marginally from about 18% in 1960s to about 22% at present. This is because of increasing demands for non-forest uses like agriculture, industries etc. Despite government efforts like taking up large scale afforestation programmes, deforestation for development projects like mining, hydropower etc. has not attributed to any large scale increase in forest cover. There are also issues like lacunae in implementation of Forest laws, exclusion of tribals and village communities in conservation efforts have not helped.
Over 80% of the landholdings in India are below 2 hectares. The reasons for such small landholdings are:
i) Continuous fragmentation of landholdings as a result of increasing population has lead to current situation of uneconomical landholdings.
ii) Overwhelming dependence of the country's workforce on agriculture.
iii) Absence of successful efforts for cooperative farming.
iv) Historical reasons like land distribution and ceiling laws have also contributed to fragmented landholdings.
v) Sale of a part of their land when unable to pay their debts also lead to smaller landholdings.
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Answer:
1) Net Sown Area has fallen from 46.26% to 45.5%
2) Forest Area has risen to 23%, which is a good feature, but far lower than desired 33% forest cover as outlined in National Forest Policy (1952)
3) Barren and unculturable waste land has come down to 5.5%, which is a good indicator that land is being put to productive use
Waste land includes rocky, arid and desert areas and land put to other non-agricultural uses includes settlements, roads, railways, industry etc.
4) Non agricultural land has gone up to 8.7% which indicates more land in infrastructure assets and for manufacturing industries
5) Permanent pasture land has come down to 3.3% which is bad for marginal, nomadic communities who depend aising livestock on free pastures
Posted by Anisha Tickoo 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
Let positive integer a = 4m + r , By division algorithm we know here 0 ≤ r < 4 , So
When r = 0
a = 4m
Squaring both side , we get
a2 = ( 4m )2
a2 = 4 ( 4m2)
a2 = 4 q , where q = 4m2
When r = 1
a = 4m + 1
squaring both side , we get
a2 = ( 4m + 1)2
a2 = 16m2 + 1 + 8m
a2 = 4 ( 4m2 + 2m ) + 1
a2 = 4q + 1 , where q = 4m2 + 2m
When r = 2
a = 4m + 2
Squaring both hand side , we get
a2 = ( 4m + 2 )2
a2 = 16m2 + 4 + 16m
a2 = 4 ( 4m2 + 4m + 1 )
a2 = 4q , Where q = 4m2 + 4m + 1
When r = 3
a = 4m + 3
Squaring both hand side , we get
a2 = ( 4m + 3)2
a2 = 16m2 + 9 + 24m
a2 = 16m2 + 24m + 8 + 1
a2 = 4 ( 4m2 + 6m + 2) + 1
a2 = 4q + 1 , where q = 4m2 + 6m + 2
Hence
Square of any positive integer is in form of 4q or 4q + 1 , where q is any integer.
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Yogita Ingle 5 years, 7 months ago
HTML (HyperText Markup Language) HTML is a markup language, which is used to define the layout and attributes of a World Wide Web (WWW) document as well as to create links between Web pages.
Posted by Abhishek Sharma 5 years, 7 months ago
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Posted by Md Taslim 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
Neurons are the fundamental unit of the nervous system specialized to transmit information to different parts of the body.
A neuron varies in shape and size depending upon their function and location. All neurons have three different parts – dendrites, cell body and axon.
Parts of Neuron
Following are the different parts of a neuron:
Dendrites
These are branch-like structures that receive messages from other neurons and allow the transmission of messages to the cell body.
Cell Body
Each neuron has a cell body with a nucleus, golgi body, endoplasmic reticulum, mitochondria and other components.
Axon
Axon is a tube-like structure that carries electrical impulse from the cell body to the axon terminals that passes the impulse to another neuron.
Synapse
It is the chemical junction between the terminal of one neuron and dendrites of another neuron.
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Yogita Ingle 5 years, 7 months ago
Global warming is a gradual increase in the earth’s temperature generally due to the greenhouse effect caused by increased levels of carbon dioxide, CFCs, and other pollutants.
Global warming is the phenomenon of gradual increase in temperature near the Earth’s surface. This phenomenon has been observed over the past one or two centuries. This change has disturbed the climatic pattern of the earth. However, the concept of global warming is quite controversial. But, the scientists have provided relevant data in support of the fact that the temperature of the Earth is rising constantly.
Posted by Kartikey Kakani 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
Nelson Mandela was changed into a bold man due to his . desire of the freedom for his country and his countrymen. He wanted to live a life with dignity as he could not enjoy the limited freedom.
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Mithali Pattanaik?? 5 years, 7 months ago
1Thank You