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Pollution - Environmental Pollution
Pollution refers to any undesirable change in the physical, chemical or biological characteristics of our environment, i.e. air, water and oil that may or will adversely affect humans or other species and life support systems of our biosphere directly or indirectly. A substance whose introduction into a resource damages the latter's usefulness is called a pollutant. Pollutants are grouped into two broad categories:
The non-biodegradable pollutants such as heavy metals, pesticides, move through the food chain and may get magnified to dangerous levels in higher trophic level organisms. Some of these combine with other compounds and produce toxic substances. However, biodegradable materials such as human and animal wastes, agro-based residues and fertilisers can also pose a threat if their quantities or inputs exceed the Assimilative capacity of the environment.
What are the differences b/w bone and cartiledge
what are the two main pollutants that contribute to acidic rain?
To study if bacteria grow better where it is dark or light Inoculate two sterile dishes as before. Label one 'dark' and the other 'light'. Place the 1st dish in a darkwarm plac
Insulin Devices - Insulin Pen Insulin pen is an insulin injection system. A pen consists of disposable needle, a vial of insulin and a pen. There are two pen systems replac
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What is Community Ecology explain their characterstics? Community Ecology: In ecological terms, a community consists of an assemblage of all of the populations living and int
Skin The skin or integument is the outer covering of the body and have appendages i.e. nails and hairs. The outer layer of skin is known as epidermis; the inner layer is dermis
Explain the process of diagnosis of cholera Diagnosis: Cholera can be confirmed only by the isolation of the causative organism from the diarrheic stools of infected individual
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