Columbus and Vasco da Gama

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August 14, 2022

All about wind energy

The Wind is Air in Motion. It is caused by differential heating of land, water, hills and mountain slopes by sun rays. About 25 % (i.e., 0.34 KW/m2) of incident solar radiation is dissipated as wind energy. There is kinetic energy in wind.

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December 3, 2021 Recommended

First December, the World Aids Day: The Danger Still Waits

The World Aids Day is celebrated the world over on the first December every year to make the public aware about the infection of HIV (Human Immuno Virus).The celebration of this day on the world scale was first started by the World Health Organisation in 1987.

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April 4, 2025 Recommended

New Organic Fertilizers

Biofertilizers: Definition, Types, Benefits, and Uses in Sustainable Agriculture The fertilizers of biological origin that don’t contain any chemicals detrimental…

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February 16, 2022 Recommended

Birds

Birds evolved from reptiles during the mesozoic era.

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December 23, 2024 Recommended

Major atmospheric pollutants

Substances that cause pollution of air are called as air- pollutants or atmospheric pollutants. These are fine Primary Pollutants that contribute more than 90 percent of global air pollution. These fine pollutants are carbon monoxide (CO); Nitrogen oxides (NOx); Sulphur oxides (Sox) and particulates. These pollutants can be put into two broad categories A. Gaseous Pollutants, and B. Particulates.

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January 17, 2021 Recommended

Animal Body- Parts and Sense Organs

Most animals of the same kind have same body parts. But their body parts differ in size, shape, color and functions. They have different types of sense organs as well.

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February 26, 2021 Recommended

Origin and Characteristics of a Family

The early man started his life as an individual. Gradually he came in contact with his fellows and he started developing a social life. At any period of human life it is hard to understand that a man ever remained in isolation. Thus this hypothesis does not cover the whole thing.

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March 2, 2023 Recommended

Coarse grains to promote health

Coarse grains are broadly discussed these days. Now the world has come to know about their importance. Coarse grains have been contained in the Indian dishes since long. Now that the harmful effects of soft grains are known, the world has come to advocate the coarse grains.

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January 3, 2021 Recommended

The Bird – Trade in India

Some reports regarding increasing bird trade in endangered species that were published recently in some news papers are matters of concern not alone for the lovers of environment and wildlife but for common public as well.

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