Vatican City is the smallest country in the world. Its area is only about 0.17 square miles, i. e. 0.44 square km. Vatican City has a population of about .....

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The second largest country in the world by area is Canada. The area of Canada is 99,84,670 .....

However, during the construction of hospitals, industries, etc. the community should implement certain measures for the protection of nature, water resources, forests, agricultural fields and envirnmental sanitation. In this way , pollution can .....

This is because the local people have concern for their locality and they do not want to affect the nature of their locality. For example: During the construction of roads or dams, the local people implement certain measures for the protection .....

It shows that the brown eyed offspring and blue eyed offspring are found in the ratio of 3:1. Here, bb represents the homozygous blue eye character. Thus, having a blue eye is a recessive character and it can only express in homozygous condition .....

We destroy forests for the purpose of developing paddy fields, constructing industries, hospitals, etc. But cutting down of forests in slopy ares causes landslides. The waste products from industries, hospitals, etc. causes pollution of the .....

Thus excretion in plants is not so complex. Excretion is carried out in the plants in the following ways: 1. The gaseous wastes, oxygen, carbon dioxide and water vapour are removed      through stomata of leaves and lenticels .....

- The salivary glands are located under the tongue and in the back of the mouth. - The gastric glands are located in the lining of the stomach. - The intestinal glands are located in the inner lining of small intestine. - The liver is .....

Here, Area of four walls (A) = 320 m2  Height(h) = 5 m. Width(b) = 1.6 m We know, Area of four walls(A) for cubical room = 4hl or,  4 x 5 x l  = 320 Therefore, l = 16 m Therefore,  Area = l2 = 162 = 256 m2 Now, .....

Here pair of equation is,      x2 - 5xy + 6y2 = 0  or  x2 - 3xy - 2xy + 6y2 = 0 or, x(x - 3y) - 2y(x - 3y) = 0 or, (x - 3y)(x - 2y) = 0 So, x - 3y = 0 and x -2y = 0 are required seperate .....

put 2r - 29 = q  in equation (ii), we get      2p - 2r + 29 = 13 or, 2p - 2r = 13 - 29 = - 16 or, p - r = -16/2 or, p - r = - 8 ................. .....

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You know that soap is sodium or potassium salts of long chain fatty acids. And you may have learnt that hard water contains bicarbonates, chlorides and sulphates of calcium and .....

China is the largest country in the world in .....

The ways to empower women are as follows: - Making education compulsory for all the girls and women living in the country. - Providing them with vocational training so that they can self-dependent. - Encouraging them in participating in .....

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Now, Area of the carpet = area of the room     or, Length (carpet) x breadth(carpet) = 48 m2    or,  96 x Breadth = 48   or, Breadth = 48/96 = 0.5 m. Hence width of the carpet = 0.5 .....

Answer: 1. She asked me why I had bought that pen for her. Rule: While changing a Wh-question into indirect speech the following things are done: - said/said to is changed into asked/wanted to know. - the same wh-word is used as a conjunction. - .....

4)More amount of water is required for rinsing to remove foam, otherwise it will damage the fabric. 5) Sometimes some detergents react in hard water with calcium, or magnesium compounds to form curds that can be re-deposited on .....

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   Let, x and y be age of mother and daughter respectively. Now, according to question,              (x - 5) = 5(y - 5)          or, x - 5 = 5y - 25      .....

You may have learnt that silica is made of silicon dioxide (SiO2). Silica is the most significant component of the Earth's crust. So sand is the primary ore source of silica. The metamorphic rock, quartzite,etc. are other sources of .....

And a mixture of cement, water and gravels form a rock-like mass known as concrete. A concrete is very strong in compression but weak in tension and its resistance to tension is also low. And a steel is equally strong in compression and .....

१. खाट र खात २. आँट र आँत ३. डर र दर ४. ढक र धक ५. बैँश र बैँस ६. हाट र हात ७. यस र यश ८. सब र .....

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Liquid pressure can be defined as the pressure exerted by the liquid inside it. Liquid pressure is the increase in pressure at increasing depths in a liquid. This pressure increases because the liquid at lower .....