Döbereiner's triads was an early attempt to sort the elements into some logical order by their physical properties, to form the periodic table. Dobereiner, in his law of triads, stated that the arithmetic mean of the atomic masses of the first and third element in a triad would be approximately equal ... Read More

Roman numerals are a numeral system that originated in ancient Rome between 900 and 800 B.C.In this system, they combine seven basic letters to create small and large numbers.When it is combined in various forms, these seven letters create new numbers.Their placement is important, as the same letters create an ... Read More

The exponential form of a numberThe exponential form of a number is a way of representing repeated multiplications of the same number by writing the number as a base with the number of repeats written as a superscript to its upper right.• The superscript number is called an exponent, index, ... Read More

Given:  The Perimeter Of A Rectangle Swimming Pool Is 194m. It's Length Is 1m Less Than 5 Times Its Breadth To do:  Find  The Length And The Breadth Of The Pool Solution Let the breadth of swimming pool, $b = x$Length of swimming pool, l = $5x -1$Perimeter ... Read More

Algebra is a branch of mathematics which deals with symbols and the rules for manipulating those symbols. In elementary algebra, those symbols (today written as Latin and Greek letters)represent variables i.e  quantities without fixed values.The letters x and y represent the areas of the fields.The main purpose of Algebra ... Read More

A female's internal reproductive organs are the vagina, uterus, fallopian tubes, and ovaries. The vagina is a muscular, hollow tube that extends from the vaginal opening to the uterus. Because it has muscular walls, the vagina can expand and contract.                                            

Dear Nitu, A microorganism or microbe is an organism that is microscopic, which means too small to see with the naked eye. These may exist in its single-celled form or in a colony of cells.These are unicellular organisms.Bacteria, viruses, fungi, protozoa, and algae are some examples of microorganisms.The study of ... Read More

Let the width of the garden = wTherefore length  = w + 4Perimeter of the garden = 2(length + bredth) = 2(w + 4 + w) = 2(2w + 4)given that half of the perimeter = 36mtherefore, 2w + 4 = 36=> 2w = 32=> w = 16m.Therefore, length = w + 4 = 20length, bredth = 20,16

Biodegradable refers to the ability of materials to break down and return to nature.In order for packaging products or materials to qualify as biodegradable, it must completely break down and decompose into natural elements within a short time after disposal.Examples of Biodegradable materials, also known as "bio-waste", include Human and ... Read More

You are absolutely right that our country's farmers suffer a lot, and often they with their family sleep hungry and we do not give importance to food, and keep wasting it. It is not fine. We can prevent wastage of food by practising some good habits like: ... Read More