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What is Weathering and Different Types of Weathering

Rocks, minerals, soils normally change their structure under the action or influence of certain environmental forces. Biological activity, extreme weather, and agents of erosion such as water, wind and ice are examples of environmental forces that influences the continuous breakdown, wearing away and loosening of rocks and soils. This is what is termed as weathering. …

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Biological Weathering – Definition and Types

Biological weathering also means organic weathering. It is the disintegration of rocks as a result of the action by living organisms. Plant and animals have a significant effect on the rocks as they penetrate or burrow into the soil respectively. Biological weathering can work hand in hand with physical weathering by weakening rock or exposing …

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The Nitrogen Cycle and its Processes

The nitrogen cycle explains the how nitrogen flows between animals, bacteria, plants, the atmosphere, and the soil on earth. The uniqueness of the nitrogen cycle is that nitrogen is the most abundant gas in the earth’s atmosphere, about 78% of all air, but it can’t be directly utilized by the animals and plants unless it …

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Various Causes of Indoor Air Pollution

What is commonly known is outdoor air pollution which is all about fumes and smog from industries or emissions from cars. Indoor air pollution pertains to contamination or introduction of harmful substances in the air within and around buildings, homes, inside cars, restaurants, schools or offices which depreciate Indoor Air Quality (IAQ). Ideally, it relates …

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