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  • 3 answers

Aparna Kumari 5 years ago

Because that time atomic number was not discovered

Varad K 5 years ago

Because, at first scientists thought that atomic mass is more fundamental property than.... But the reality was vice versa It is visible that they thought so as all scientists how tried classification earlier used atomic mass itself.

Bishwadip Raj 5 years ago

Because scientists before him used atomic mass so that's why
  • 1 answers

Anjali Pal 5 years ago

Enhance (increased exponentially)
  • 3 answers

Abhijot Bedi 5 years ago

Ultra filtration Reabsorption Secretion

Rithika Gautam 5 years ago

1. Filtration: Filtration of blood takes place in Bowman’s capsule from the capillaries of the glomerulus. The filtrate passes into the tubular part of the nephron. This filtrate contains glucose, amino acids, urea, uric acid, salts and a major amount of water. 2. Re-absorption: As the filtrate flows along the nephrons, substances such as glucose, amino acids, salts, and water are selectively re-absorbed into the blood by capillaries surrounding the nephron tube the leadule. The amount of water re-absorbed depends on the need of the body and also on the amount of wastes to be excreted. 3. Urine: The filtrate which remains after re-absorption is called urine. Urine contains dissolved nitrogenous waste, i.e. urea and uric acid, excess salts and water. Urine is collected from nephrons by the collecting duct to carry it to the ureter.

Good Day 5 years ago

Nephron helps in to separate water,ions and small molecules from the blood and filtered out wastes and toxin.
  • 4 answers

Rithika Gautam 5 years ago

To understand elements easily way and looks like attractive and easy to learned all about this

Bhavana Garg 5 years ago

We need to classify all the element because to study easily and look attaractive

Anmol Sinha 5 years ago

to understand elements easily way and looks like attractive and easy to learned all about this

Aakash Rawal 5 years ago

For better understanding
  • 2 answers

Rithika Gautam 5 years ago

In inverted image upside of object become downside of image and vise versa In lateral inversion right side of object become left side of image and vise versa.

Angel Joshi 5 years ago

In inverted image upside of object become downside of image and vise versa In lateral inversion right side of object become left side of image and vise versa
  • 4 answers

Ansh Tiwari 4 years, 11 months ago

పఠోటఫూడనొఒటొఫొబటోన ఓటోడోఫోబోపోठःडःऑअःफhejfe

Rithika Gautam 5 years ago

Hydroxybutylated toluene or hydroxybutylated anisole

Shubro Nath 5 years ago

Butylatedhydroxy toluene or butylatedhydroxy anisole..

Shubro Nath 5 years ago

Hydroxybutylated toluene or hydroxybutylated anisole
  • 5 answers

Rithika Gautam 5 years ago

Human immunodeficiency virus

Aparna Kumari 5 years ago

Human Immunodeficiency Virus

Ayushi Kumari 5 years ago

Human immunodeficiency virus

Prabhat Dancer 5 years ago

Human immunodeficiency virus

Deep Arshnoor 5 years ago

Human immunodeficiency virus
  • 3 answers

Rithika Gautam 5 years ago

In humans the pair of *** chromosomes decides the gender of a baby. Where XX is for a girl and XY is for a boy. All children always get the X chromosome from their mother. A girl child gets X chromosome from her father and a boy child gets Y chromosome from his father. This makes it a 50% probability

Deep Arshnoor 5 years ago

In humans the pair of *** chromosomes decides the gender of a baby. Where XX is for a girl and XY is for a boy. All children always get the X chromosome from their mother. A girl child gets X chromosome from her father and a boy child gets Y chromosome from his father. This makes it a 50% probability.

Maya Ram 5 years ago

XY(Male). XX(Female) | | | | | | | | XX XY. X X XX.
  • 2 answers

Rithika Gautam 5 years ago

I = 5000Ampere

Deep Arshnoor 5 years ago

I = Q/t Where Q= 100 t=0.02 sec I=100/0.02 => I= 5000A
  • 2 answers

Rithika Gautam 5 years ago

PAPER CAN BE BROKEN UP BY ENZYMES OF THE MICRO ORGANISMS INTO MORE SIMPLER SUBSTANCE AND CAN BE DECOMPOSE WHILE THE PLASTIC CANNOT BE DECOMPOSED BY THE ACTION OF MICROBES THEREFORE PAPER IS BIODEGRADABLE AND PLASTIC BAG IS NON BIODEGRADABLE.

Rupali Kumari 5 years ago

Because bacteria cannot decompose the plastic bag so it non biodegradable.
  • 5 answers

Rithika Gautam 5 years ago

During respiration carbohydrates are broken down to form glucose. These glucose combines with oxygen in the cell of our body and provides us enery

Aparna Kumari 5 years ago

Because during respiration energy is produced out

Dev Sharma 5 years ago

During this process 38 ATP energy is released

Shridevi T 5 years ago

Energy

Shridevi T 5 years ago

During respiration carbohydrates are broken down to form glucose. These glucose combines with oxygen in the cell of our body and provides us enery .
  • 2 answers

Rithika Gautam 5 years ago

It is due to atmosphere refraction that we can see the sun for about 2minutes even after the sun set below the time of sunrise lengthened by about 2+2=4minutes because of atmosphere refraction

Dev Sharma 5 years ago

We saw the sun 's virtual image after and before 2 min.
  • 2 answers

Nandini Gorain 5 years ago

It means that the image formed is 1.Virtual 2.Erect 3.Enlarged (Increased doubly)

Harsh Chauhan 5 years ago

If the magnification would be +2 then it would mean that the image formed is two times larger than the original image.
  • 3 answers

Rithika Gautam 5 years ago

A ray of light bends while going from one medium to another because of the phenomena of refraction. When the ray of light travels from one medium to another as the velocity of the light ray will either increase or decrease depending on the optical density of the material.

Dev Sharma 5 years ago

Due to refraction

Harsh Chauhan 5 years ago

A ray of light bends while going from one medium to another because of the phenomena of refraction. When the ray of light travels from one medium to another as the velocity of the light ray will either increase or decrease depending on the optical density of the material.
  • 4 answers

Rithika Gautam 5 years ago

DNA replication is the process by which a double - standed DNA molecule is copied to produce two identical DNA molecules. Replication is an essential process because whenever a cell divides , the two new daughter cells must contain the same genetic information or DNA as a parent cell

Rishabh Baghel 5 years ago

Thanks

Kirti Kashyap 5 years ago

DNA copying is needed for copying the characters or traits of parents into offsprings

?? ?? 5 years ago

DNA replication is the process by which a double - standed DNA molecule is copied to produce two identical DNA molecules. Replication is an essential process because whenever a cell divides , the two new daughter cells must contain the same genetic information or DNA as a parent cell
  • 1 answers

?? ?? 5 years ago

Respiration in plants:- 1.Rate of respiration is slow. 2.Produces a small amount of heat. 3.The end products of anaerobic respiration is ethanol. Respiration in animals:- 1.Rate of respiration is comparatively faster. 2.A large quantity of heat is realesed. 3.The end product of anaerobic respiration is lactic acid.
  • 2 answers

Malaika Sharma 5 years ago

In our school,projects are compulsory because 20 marks' internal assessment is based on the projects.

?????? ????? 5 years ago

No
  • 2 answers

Rithika Gautam 5 years ago

Lungs contain finger like extensions called as villi. which increases the surface area for absorption these are rich supplied with blood vessels that carries absorbed blood to each and every cells of body.

?????? ????? 5 years ago

????? ???????? ?????? ???? ?????????? ?????? ?? ????? which increases the surface area for absorption these are rich supplied with blood vessels that carries absorbed blood to each and every cells of body
  • 1 answers

?????? ????? 5 years ago

Cu + h2o+o2 + Co2 results in the formation of cuco3.cu(oh)2 while in silver Ag + H2S results in the formation of Ag2s that is silver sulphide
  • 4 answers

Jaya Dixit 4 years, 8 months ago

The answer is 1/4 Here, It is given that the mass of both the wire is same and the length of B =1/2A or A=2B. Here if the mass is same then the length should also be equal but the length is not equal and so as to satisfy the given part the areaB=twice area A And we put the values in the formula of resistivity we find the ratio to be 1:4

Rithika Gautam 5 years ago

Resistance will be half

Harsh Janghu 5 years ago

R = 1/2

Harsh Janghu 5 years ago

Resistance will be half
  • 3 answers

Abhijot Bedi 5 years ago

Yes ,in syllabus only heredity topic is there and in that also two cross are the most most important

Rithika Gautam 5 years ago

Only EVOLUTION was deleted?

Jyothish Kumar 5 years ago

Only EVOLUTION was deleted
  • 2 answers

Rithika Gautam 5 years ago

Cao + h2o results in the formation of ca(oh)2 a when in small amount co2 is passed it will lead to the formation of CaCo3 while.in excess it results in the formation of cahco3

?????? ????? 5 years ago

Cao + h2o results in the formation of ca(oh)2 a when in small amount co2 is passed it will lead to the formation of CaCo3 while.in excess it results in the formation of cahco3
  • 1 answers

Harsh Janghu 5 years ago

It changes the order of refracted coloured light rays
  • 1 answers

Rasiq Rasool 5 years ago

There occurs a chemical reaction and the products formed are: 1.(Sodium ethoxide) 2.(Hydrogen gas)
  • 2 answers

Dev Sharma 5 years ago

1.82 approx

Dev Sharma 5 years ago

The light move faster in water because we know that the speed of light is inversely proportional to refractive index and the R.I. of diamond is greater than the water so the speed of light is faster in water

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