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Michael Duane Johnson is a retired American sprinter. He won four Olympic gold medals and eight World Championships gold medals.

He formerly held the world and Olympic records in the 200 m and 400 m as well as the world record in the indoor 400 m.

He also once held the world's best time at 300 m

He had always dreamt of flying thats why he became the first blind pole vaulter to set a world record

L=14 is right answer

l=14 is the correct answer.

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14 is the correct answer of the given question

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Biotic—Biotic resourcesare obtained fromthebiosphere (living and organic material), such as forests and animals, andthematerials that can be obtained fromthem. Fossil fuels such as coal and petroleum are also included in this category because they areformedfrom decayed organic matter.

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In biology and ecology, abiotic components or abiotic factors are non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems. Abiotic factors and the phenomena associated with them underpin all biology.

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Mr and Mrs Verma solicit the pleasure of your company on the occasion of the birthday of their son on Wednesday, 15th August.Venue- hotel grand, Mumbai Time- 7:30 pm Requests no presents.

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Electric flux is the rate of flow of the electric field through a given area (see ). Electric flux is proportional to the number of electric field lines going through a virtual surface.

Gauss’ Law describes the electric flux over a surface S as the surface integral: Φ =∬ E⋅dSE S

where E is the electric field and dS is a differential area on the closed surface S with an outward facing surface normal defining its direction.

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A. B1. 32. 53. 14. 25. 4

Parallelograms and rectangles on same base and between same parallels are equal in area.

In the adjoining figure, parallelogram ABCD and rectangle ABEF are on the same base BC and between the same parallels AB and l.

Therefore, area of parallelogram ABCD = Area of rectangle ABEF = AB × AF

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Given,Let ABCD be a parallelogram

To prove Quadrilateral PQRS is a rectangle.

Since, ABCD is a parallelogram, then DC || AB and DA is a transversal.

∠A+∠D= 180° [sum of cointerior angles of a parallelogram is 180°]1/2∠A+ 1/2 ∠D = 90° [dividing both sides by 2]

∠SAD + ∠SDA = 90°∠ASD = 90° [since,sum of all angles of a triangle is 180°]

∴ ∠PSR = 90° and ∠PQR = 90° [vertically opposite angles]

∠QRS = 90°and ∠QPS = 90° [vertically opposite angles]

So, PQRS is a quadrilateral whose each angle is 90°.

Hence, PQRS is a rectangle.

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TheBenefitsofPositiveLanguage. Research showspositivelanguage, both verbal andbodylanguage, has a beneficial impact not only on how you feel, but on how others see you and respond to you. We often experience times in our lives or particular situations where we feel less confident or secure.

In humans, one of the means ofcommunicationis thepostureof the body, in addition to facial expressions, personal distances, gestures and body movements.Postureconveys information about: Interpersonal relations. Personality traits such as confidence, submissiveness, and openness.

the way a person sit, stand , walk etc.

A nutrient is anything that nourishes a living being. It helps theorganism to survive, grow, and reproduce. .

The six essential nutrients include carbohydrates, protein, fat, vitamins, minerals and water.

Carbohydrates. Carbohydrates are the main energy source for the brain. ...

Protein. Protein is the major structural component of cells and is responsible for the building and repair of body tissues. ...

Fat

Water

Trees are a vital component of eco system. The deforestation leads to the distraction of habitat. Trees helps in rainfall by sucking underground water and evaporating it through transpiration which increase cloud formation and more rainfall. Cutting down of trees leads least sucking of water from ground thus leading less rainfall.

Solution:-To find the HCF of 85 and 153, we shall find it by Euclid's Division Lemma.Therefore,153 = 85*1 + 6885 = 68*1 + 17Since the remainder is not equal to zero, we shall again apply Euclid's division lemma.68 = 17*4Now the remainder is zero, thus the HCF of 85 and 153 is 17.17 = 85m - 153Therefore, 85m = 153 + 1785m = 170m = 170/85m =2 Answer.

One afternoon, a fox was walking through the forest and spotted a bunch of grapes hanging from a lofty branch. "Just the thing to quench my thirst," said the fox.

Taking a few steps back, the fox jumped and just missed the hanging grapes. Again, the fox took a few paces back and tried to reach them, but still failed.

Finally, giving up, the fox turned up his nose and said, "They're probably sour anyway." Then he walked away.

MORAL: IT'S EASY TO DESPISE WHAT YOU CANNOT HAVE.

Azebra crossingis a type ofpedestrian crossingused in many places around the world. Its distinguishing feature is alternating dark and light stripes on the road surface, resembling the coat of azebra. A zebra crossing typically gives priority torights of wayto pedestrians.

One afternoon a fox was walking through the forest and spotted a bunch of grapes hanging from over a lofty branch.

“Just the thing to quench my thirst,” he thought.

Taking a few steps back, the fox jumped and just missed the hanging grapes. Again the fox took a few paces back and tried to reach them but still failed.

Finally, giving up, the fox turned up his nose and said, “They’re probably sour anyway,” and proceeded to walk away.

Moral: It’s easy to despise what you cannot have. Nothing comes easy without a hard work. So, Work Hard and reach your goals.

Since she had rehearsed well, she recited the poem well.

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are of square is side ×sideso answer is 169/3 m^2

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Mitosisconsistsofone stage whereasmeiosisconsistsoftwo stages.Mitosisproduces diploid cells (46 chromosomes) whereasmeiosisproduces haploid cells (23 chromosomes).Mitosisproduces two identical daughter cells whereasmeiosisproduces four geneticallydifferentdaughter cells.

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1. Mitosis occours in somatic cell and stem cell while meiosis occours in germ cell.2.ln mitosis deploid cells remain deploid while in meiosis deploid cells become haploid.

1.Mitosis occours in stem cell and somatic cell while meiosis occours in germ cell .2.ln mitosis deploid cells remain diploid while in meiosis deploid cells become haploid.

mitosis: involves division of body cellsdivision occur oncemeosis:involves division of sex cellsdivision occur twice

Mitosis1)it occurs in somatic cells2)daughter cells receives equal number of chromosomes 3)two daughter cells are formed at the end of mitosisMeiosis1)it occurs in germ cells2)the number of chromosomes in the daughter cell are reduced by half3)four daughter cells are formed at the end of meiosis

Organisms grow and reproduce through cell division. In eukaryoticcells, the production of new cells occurs as a result ofmitosisandmeiosis. These two nuclear division processes are similar but distinct. Both processes involve the division of adiploid cell, or a cell containing two sets ofchromosomes(one chromosome donated from each parent).

Inmitosis, the genetic material (DNA) in acellis duplicated and divided equally between two cells. The dividing cell goes through an ordered series of events called thecell cycle. The mitotic cell cycle is initiated by the presence of certain growth factors or other signals that indicate that the production of new cells is needed. Somaticcells of the bodyreplicate by mitosis. Examples of somatic cells includefat cells,blood cells, skin cells, or any body cell that is not asex cell. Mitosis is necessary to replace dead cells, damaged cells, or cells that have short life spans.

Meiosisis the process by whichgametes(sex cells) are generated in organisms thatreproduce sexually. Gametes are produced in male and femalegonadsandcontain one-half the number ofchromosomesas the original cell. Newgenecombinations are introduced in a population through thegenetic recombinationthat occurs during meiosis. Thus, unlike the two genetically identical cells produced in mitosis, the meiotic cell cycle produces four cells that are genetically different.

In mitosis, the genetic material (DNA) in a cell is duplicated and divided equally between two cells. The dividing cell goes through an ordered series of events called the cell cycle. The mitotic cell cycle is initiated by the presence of certain growth factors or other signals that indicate that the production of new cells is needed. Somatic cells of the body replicate by mitosis. Examples of somatic cells include fat cells, blood cells, skin cells, or any body cell that is not a sex cell. Mitosis is necessary to replace dead cells, damaged cells, or cells that have short life spans.

Meiosis is the process by which gametes (sex cells) are generated in organisms that reproduce sexually. Gametes are produced in male and female gonads and contain one-half the number of chromosomes as the original cell. New gene combinations are introduced in a population through the genetic recombination that occurs during meiosis. Thus, unlike the two genetically identical cells produced in mitosis, the meiotic cell cycle produces four cells that are genetically different.

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7 Differences Between Mitosis and Meiosis

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These cervical cancer cells are dividing. Steve Gschmeissner / Science Photo Library / Getty Images

byRegina Bailey

Updated August 19, 2019

Organisms grow and reproduce through cell division. In eukaryoticcells, the production of new cells occurs as a result ofmitosisandmeiosis. These two nuclear division processes are similar but distinct. Both processes involve the division of adiploid cell, or a cell containing two sets ofchromosomes(one chromosome donated from each parent).

Inmitosis, the genetic material (DNA) in acellis duplicated and divided equally between two cells. The dividing cell goes through an ordered series of events called thecell cycle. The mitotic cell cycle is initiated by the presence of certain growth factors or other signals that indicate that the production of new cells is needed. Somaticcells of the bodyreplicate by mitosis. Examples of somatic cells includefat cells,blood cells, skin cells, or any body cell that is not asex cell. Mitosis is necessary to replace dead cells, damaged cells, or cells that have short life spans.

Meiosisis the process by whichgametes(sex cells) are generated in organisms thatreproduce sexually. Gametes are produced in male and femalegonadsandcontain one-half the number ofchromosomesas the original cell. Newgenecombinations are introduced in a population through thegenetic recombinationthat occurs during meiosis. Thus, unlike the two genetically identical cells produced in mitosis, the meiotic cell cycle produces four cells that are genetically different.

Key Takeaways: Mitosis vs Meiosis

Mitosisandmeiosisare nuclear division processes that occur during cell division.

Mitosis involves the division of body cells, while meiosis involves the division of sex cells.

The division of a cell occurs once in mitosis but twice in meiosis.

Two daughter cellsare produced after mitosis and cytoplasmic division, whilefour daughter cellsare produced after meiosis.

Daughter cells resulting from mitosis arediploid, while those resulting from meiosis arehaploid.

Daughter cells that are the product of mitosis are genetically identical. Daughter cells produced after meiosis are genetically diverse.

Tetradformation occurs in meiosis but not mitosis.

Differences Between Mitosis and Meiosis



Lily Anther Microsporocyte in Telophase II of Meiosis.Ed Reschke/Photolibrary/Getty Images

1. Cell Division

Mitosis:A somatic cell dividesonce. Cytokinesis (the division of thecytoplasm) occurs at the end oftelophase.

Meiosis:Areproductive celldividestwice. Cytokinesis happens at the end oftelophase Iand telophase II.

2. Daughter Cell Number

Mitosis:Twodaughter cells are produced. Each cell isdiploidcontaining the same number of chromosomes.

Meiosis:Fourdaughter cells are produced. Each cell ishaploidcontaining one-half the number of chromosomes as the original cell.

3. Genetic Composition

Mitosis:The resulting daughter cells in mitosis are genetic clones (they are genetically identical).Norecombinationor crossing over occur.

Meiosis:The resulting daughter cells contain different combinations of genes.Genetic recombination occursas a result of therandom segregationofhomologous chromosomesinto different cells and by the process of crossing over (transfer of genes between homologous chromosomes).

4. Length of Prophase

Mitosis:During the first mitotic stage, known as prophase,chromatincondenses into discrete chromosomes, the nuclear envelope breaks down, andspindle fibersform at opposite poles of the cell. A cell spends less time in prophase of mitosis thana cellin prophase I of meiosis.

Meiosis:Prophase I consists of five stages and lasts longer than prophase of mitosis. The five stages of meiotic prophase I are leptotene, zygotene, pachytene, diplotene, and diakinesis. These five stages do not occur in mitosis. Genetic recombination and crossing over take place during prophase I.

5. Tetrad Formation

Mitosis:Tetrad formation does not occur.

Meiosis:In prophase I, pairs of homologous chromosomes line up closely together forming what is called a tetrad. A tetrad consists of fourchromatids(two sets of sister chromatids).

6. Chromosome Alignment in Metaphase

Mitosis:Sister chromatids(duplicated chromosome comprised of two identical chromosomes connected at thecentromereregion) align at the metaphase plate (a plane that is equally distant from the two cell poles).

Meiosis:Tetrads (homologous chromosome pairs) align at the metaphase plate in metaphase I.

7. Chromosome Separation

Mitosis:During anaphase,sister chromatids separateand begin migrating centromere first toward opposite poles of the cell. A separated sister chromatid becomes known asdaughter chromosomeand is considered a full chromosome.

Meiosis:Homologous chromosomes migrate toward opposite poles of the cell during anaphase I.Sister chromatids do not separatein anaphase I.

MITOSIS1.Occurs in most of the cells except reproductive cells.2.parent cells divides once.MEIOSIS1.occurs only in reproductive cells. 2.parents cells divides twice.

mitosis consists of one stage whereas meiosis consists of two stages. mitosis produces diploid cells (46chromosomes)whereas meiosis produces diploid cells (23chromosomes ) mitosisproduces two identical daughter cells whereas meiosis produces four genetically different daughter cells

Following are the differences betweenMitosis and Meiosis:

S.N.

Differences

Mitosis

Meiosis

1Type of ReproductionAsexualSexual2GeneticallySimilarDifferent3Crossing OverNo, crossing over cannot occur.Yes, mixing of chromosomes can occur.4Number of DivisionsOneTwo5Pairing of HomologsNoYes6Mother CellsCan be either haploid or diploidAlways diploid7Number of Daughter Cells produced2 diploid cells4 haploid cells8Chromosome NumberRemains the same.Reduced by half.9Chromosomes PairingDoes Not OccurTakes place during zygotene of prophase I and continue upto metaphase I. 10CreatesMakes everything other than sex cells.Sex cells only: female egg cells or male sperm cells.11Takes Place inSomatic CellsGerm Cells12ChiasmataAbsentObserved during prophase I and metaphase I.13Spindle FibresDisappear completely in telophase.Do not disappear completely in telophase I.14NucleoliReappear at telophaseDo not reappear at telophase I.15StepsProphase, Metaphase, Anaphase, Telophase.(Meiosis 1) Prophase I, Metaphase I, Anaphase I, Telophase I; (Meiosis 2) Prophase II, Metaphase II, Anaphase II and Telophase II.16KaryokinesisOccurs in Interphase.Occurs in Interphase I.17CytokinesisOccurs in Telophase.Occurs in Telophase I and in Telophase II.18Centromeres SplitThe centromeres split during anaphase.The centromeres do not separate during anaphase I, but during anaphase II.19ProphaseSimpleComplicated20ProphaseDuration of prophase is short, usually of few hours.Prophase is comparatively longer and may take days.21SynapsisNo SynapsisSynapsis of Homologous chromosomes takes place during prophase.22Exchange of SegmentsTwo chromatids of a chromosome do not exchange segments during prophase.Chromatids of two homologous chromosome exchange segments during crossing over.23Discovered byWalther FlemmingOscar Hertwig24FunctionCellular reproduction and general growth and repair of the body.Genetic diversity through sexual reproduction.25FunctionTakes part in healing and repair.Takes part in the formation of gametes and maintenance of chromosome number.

mitosis, the genetic material (DNA) in acellis duplicated and divided equally between two cells. The dividing cell goes through an ordered series of events called thecell cycle. The mitotic cell cycle is initiated by the presence of certain growth factors or other signals that indicate that the production of new cells is needed. Somaticcells of the bodyreplicate by mitosis. Examples of somatic cells includefat cells,blood cells, skin cells, or any body cell that is not asex cell. Mitosis is necessary to replace dead cells, damaged cells, or cells that have short life spans.

Meiosisis the process by whichgametes(sex cells) are generated in organisms thatreproduce sexually. Gametes are produced in male and femalegonadsandcontain one-half the number ofchromosomesas the original cell. Newgenecombinations are introduced in a population through thegenetic recombinationthat occurs during meiosis. Thus, unlike the two genetically identical cells produced in mitosis, the meiotic cell cycle produces four cells that are genetically different.

Mitosis:-A type of cell division that results in two daughters cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.

Meiosis:-A type of cell division that results in four daughter cells each with half tha number of chromosomes of the parent cell,as in the production of gametes and plant spores.

mitosis:1.occurs only in vegetative cells2.parent cell divides only once3.Two daughter cells are formed4.Each daughter cell possess chromosomes which are equal and identical to parental chromosomes5.Daughter cell is diploid in condition6.This is equal division, because the chromosomal number multiplies 7.No crossing over in chromosomes8.There is no chance of variations

Meosis:1.Occurs only in reproductive cells2.parent cell divides twice 3.Four daughter cells are formed4.Daughter cell is haploid in condition5.This is reduction division, because the chromosomal number reduces6.Crossing over occurs in chromosomes7.Variations occur

1.Mitosisgives two nuclei,while meiosis gives four.2.Mitosis consists of one stage whereas meiosis consists of two stages. 3.Chromatids are long and thin in mitosis, Chromatids are shorter and thick in meosis. 4.Mitosis gives nuclei with the same number of chromosomes as the mother cell while meiosis gives cells with half the number.

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Cleaning of water is a process of removing pollutants before it enters a water body or is reused. This process of wastewater treatment is commonly known as Sewage Treatment. It takes place in several stages.

When Helen was being spoken to about the beauties of foliage, Helen was reminded of a story and wanted to write it down.Thoughts flowed easily and once she had finished it showed it to her family members who were deeply impressed that a girl of such a young age could write such a story.Some even asked her if it was her own.At the time Helen was certain that the words came from her mind and excitedly sent it to Mr Anagnos who was impressed andimmediately published it in the Perkins institution reports.He suggested that Helen rename it from "Autumn Leaves", to "The Frost King",However, her happiness was short-lived because there were accusations that it had been copied from Miss Margaret T Canby's book, "The Frost Fairies".However, Helen could not recall ever reading it or it ever being read to her.Initially, Mr Anagnos was in support of her but a teacher somehow managed to get what seemed like a confession out of her, which made Mr Anagnos feel betrayed.After a trial of questioning by the staff of The Perkins Institute, Helen wept like no other child has to and prayed that she would die.Afterthe incident, Helen was afraid to write fearing that anything she did write would not be her own.Even letters that she wrote to her mother would be in resemblance to poems she had read or heard.However, with her teacher, Anne Sullivan's encouragement, she persevered to write and hoped that one day she would publish something of an original thought.

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The opposite of event-driven programming would be software that doesn’t need any user input to act. This also covers the case of having various services poll each other for data in timed intervals instead of being triggered byevents. There are definitely valid use cases for this as well, but the majority of popular applications on the market right now function through either user input or as reactions to events. This covers all social media platforms, games, productivity tools, and many others.

Visual Basic is a third-generation event-driven programming language and integrated development environment from Microsoft for its Component Object Model programming model first released in 1991 and declared legacy during 2008. Microsoft intended Visual Basic to be relatively easy to learn and use.

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I would have responded positively to Gandhiji's call by refusing to pay the Zamindar's illegal demands,ask for reduction of the revenue demands to areasonable amount and also ask for security for tenure. In short, I would boycott the system of Zamindari as exists today, in a non-violent manner. The reason for my above action are that as peasants, I will limit my requirements to my area of work . Swaraj would mean freedom from the atrocities perpetrated by the Zamindar's.