Grade -10 (SEE) Chemistry
Electrovalent and Covalent Compound – Chemistry
Why are electrovalent compounds called ionic compounds whereas covalent compounds are called nonionic compounds?
Grade -10 (SEE) Environment
Absolute and Relative Conservation – Environment
What are the differences between absolute conservation and relative conservation?
Grade -10 (SEE) Physics
Radiators in automobile are not completely filled
Radiators in automobiles are not completely filled why ???
Grade -10 (SEE) Chemistry
Carbondioxide passed through Water
What happens when carbon dioxide is passed through lime water for short and long period of time?
Grade -10 (SEE) Social Studies
Social rites and Culture
What are the social rites and culture regarded as?
Grade -10 (SEE) Astronomy
Difference between Comets and Asteroids
What is the difference between comet and asteroid?
Grade -10 (SEE) Physics
Determine Ploes of a Magnet
How can one determine the north (N) and south (S) pole of a magnet ?
Grade -10 (SEE) Physics
Gas used in Mercury vapour
Which gas is used in Mercury vapour ? And why ?
Grade -10 (SEE) Math
Currency Conversion using chain rule
If $30 = Rs 2160 and £15 = Rs 1980, how many pounds can be exchanged for $44 ?
Tribhuvan University > Institute of Science and Technology > M.Sc. Environmental Science Environment
Paper bags or plastic bags? Choosing greener bag
Over the past few years paper bags are gaining more attention because of their durability and environmental friendliness. But considering the fact that it takes more energy to produce paper bags and emits more pollution during production compared to plastic bag, which bag is more environmentally friendly and should be used?
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