Arsenic is a solid substance (metalloid) naturally existing in the Earth’s crust and in crushed rock. Arsenic exposure is natural but can be aggravated by human activities. Arsenic is a poisonous chemical often used in herbicides and .....

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Systolic pressure is the pressure exerted on the walls of arteries when left ventricle pumps blood out of the heart. And diastolic pressure is the pressure exerted on the walls of veins when flowing from different parts of a body towards the .....

The following are the constitutional organs at present: 1. Commission for Investigation of Abuse of Authority 2. Auditor General 3. Public Service Commission 4. Election Commission 5. National Human Rights Commission 6. National Natural .....

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Here, AB is common chord of both the circles. We kow, common chord AB is perpendicular to the line joining the centre of circle PQ. So, PQ is perpendicular to MN.                    [ AB // .....

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There are altogether 77 districts in Nepal at present. Previously, there were only 75 districts in Nepal. But, the federal system restructured Nepal and divided it into 77 .....

Look at the picture below. The picture shows the highest peak in the world. The mountain in the picture is Mt. Everest. Mt. Everest is the highest peak in the world. It is 8, 848 m high. It lies in Solukhumbu .....

Rhizome is a modified stem running underground horizontally. They strike new roots out of their nodes, down into the soil. They also shoot new stems up to the surface out of their nodes. often sending .....

अभिभावकले समयमै ध्यान पु¥याउन नसक्दा बच्चाहरु कुलतमा फस्नु स्वभाविक मानिन्छ । चोआलाल .....

Mahatma Gandhi chooses non-violent movements instead of violent movements for the following reason: a. He was always guided by the philosophy of simple living high thinking. b. He was always in the side of peace and non-violence. c. He was in .....

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Let, x and y be present ages of a man and his son. According to question,   y = 3{y - (x - y)} or, y = 3y - 3x + 3y or, 3x - 5y = 0 ....... (i) And, 3x - 10 = 2{x + (x - y)}  or,  3x - 10 = 2x + 2x - 2y or, x - 2y = - 10 .....

There are various causes of smoking. The five causes of it are mentioned below: - Blindly imitating  friends or by their pressure  - In the name of reducing tension, people take smoking - Lack of knowledge of its consequences - .....

Definitely, biodiversity differs according to geographical region. We know that the plants and animals at which are found in the Himalayan region of Nepal are not similar to the Terai region. There is variation between the plants and animal .....

Let the breadth of the rectangular room be 'b'. From condition,length = 3b  Also, Perimeter = 2(l + b) = 2( 3b + b ) = 8b or,8b = 32m Therefore,b = 4 m. Length = 3b = 12 m. Now, Area = l x b = 12 x 4 = 48 m2. Again,  Area .....

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Solution Let the length of the box  is l So, weidth = b  = 2l/3 And, Height(h) = l / 2 You may know that, Volume(V) = l x b x h or, 48cm3  = l x 2 l/3 x l/3 or, l3 = 216cm3 or, l = 6cm Now, Arae of .....

On the one hand, our development activities should be enabled to continue in the long term and the future generations must get what we have got. So, we must use the resources wisely, carefully and responsibly to let our coming generation live the .....

In rural areas of Nepal, cottage industries are quite suitable. To establish cottage industries, people don't have to invest a lot of money. The raw materials for these industries are easily available in rural areas. The manpower can .....

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