Write notes on our environment.
Answers
Answer:
Everything that surrounds us is environment. It includes both living (biotic) and non-living (abiotic) components. → Interaction between these biotic and abiotic components form an ecosystem. ... → Human activities lead to environmental problems such as depletion of ozone layer and production of huge amount of garbage.
Explanation:
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Answer:
Everything that surrounds us is environment. It includes both living (biotic) and non-living (abiotic) components. → Interaction between these biotic and abiotic components form an ecosystem. ... → Human activities lead to environmental problems such as depletion of ozone layer and production of huge amount of garbage.
Explanation:
. Non-Biodegradable Wastes: Substances that are not broken down by biological
processes. These substances may be in solid, liquid or gaseous form. These substances are inert and simply persist in the environment for a long time or may harm the various members of the ecosystem.
For Examples: These includes DDT (Di-chloro-di phenyl trichloro ethane-in-pheneyle the cheoro ethane), insecticides, pesticides, mercury, lead, arsenic aluminum, plastics, polythene bags, glass, radioactive wastes. These non-biodegradable wastes are major pollutants of the environmentBiodegradable and Non-biodegradable Wastes, Ecosystem, Components of Ecosystem. The environment includes our physical surroundings like air (or atmosphere), water bodies, soil (land and all the organisms such as plants, animals, human beings and micro-organisms like bacteria and fungi (called decomposers). The waste materials produced by the various activities of man £nd animals are poisonous to some extent and can be divided into two main groups
1. Biodegradable Wastes: Substances that are broken down by the biological processes are said to be biodegradable. These substances are decomposed through the actions of fungi, bacteria, and other living organisms. Temperature and sunlight also play an important role in the decomposition of biodegradable substances.
For Examples: Food waste, trees leaves, urine and fecal matter, sewage agricultural residue, paper, wood, cloth, cow-dung etc.
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