Reproduction in Human Being
In human beings reproduction takes place through the activities of male and female reproductive organs. To understand this, it is essential to study the structure of male and female reproductive systems separately.
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Landfilling and Incineration
Land-filling is the process of disposing solid waste in low lands or into trenches through proper sanitary methods. It involves- collection, transport, compaction, etc. processes along with proper management for gas-outlet etc. For land filling, the important thing to be taken into account is the distance of waste collection site to the waste dumping site, because it involves cost of transportation.
Why Do Some Birds Migrate?
Birds that travel from one place to the other place are called as Migratory Birds.
Management and Types of Natural Resources
Ever since the earth was inhabited, humans and other life forms have depended on things that exist freely in nature to survive. These things include water (seas and fresh water), land, soils, rocks, forests (vegetation), animals (including fish), fossil fuels and minerals. They are called Natural Resources and are the basis of life on earth.
Management of Natural Resources
Ever since the earth was inhabited, humans and other life forms have depended on things that exist freely in nature…
The increasing Human Population is putting immense pressure on Resources
A population is a group of individuals of a particular species occupying a particular area at a specific time.
Games and Sports: Yesterday, Today and Tomorrow
Games are essential for physical and mental development of children.
Structure and Functions of Ecosystems
The environment has two basic components: Biotic and Abiotic. The biotic components of an ecosystem are living beings—plants, animals, and…
The Valentine’s Day and The Valentine’s Week
I did not know about the Valentine’s Day or the Valentine’s Week even till I was married. I don’t know either when I knew about it.
Rains in Nepal caused floods in Bihar
Rains in Nepal have always been responsible for floods in Bihar. Most of the rivers flowing through Bihar have their origins in Nepal. Since last three days Nepal is experiencing continuous rainfall. This is why villages in Bihar are being seriously flooded. What can be done?
Communities that depend on Forests and Worship Trees
Tribal people of Jharkhand worship Karam Tree during their Karma Pooja. During this Pooja twigs of Karam Tree are planted at a sacred place. The Pahans (Purohits) worship these branches.
