CBSE Board

Marine Ecosystem

Marine Ecosystem

Marine Ecosystem Marine ecosystems are a part of the largest aquatic system on the planet, covering over 70% of the Earth’s surface. The habitats that make up this vast system range from the productive nearshore regions to the barren ocean floor. Marine ecosystems are home to a host of different species ranging from tiny planktonic …

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Waste Management

waste management

Waste Management Waste management is the collection , transport , processing , recycling or disposal, and monitoring of waste materials. The term usually relates to materials produced by human activity, and is generally undertaken to reduce their effect on health , the environment or aesthetics . Waste management is also carried out to recover resources …

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Ozone Layer Depletion

Ozone Layer Depletion

Ozone Layer Depletion The ozone layer depletion protects the Earth from the ultraviolet rays sent down by the sun. If the ozone layer is depleted by human action, the effects on the planet could be catastrophic. Ozone is present in the stratosphere. The stratosphere reaches 30 miles above the Earth, and at the very top …

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