natural hazards disasters

Some of these wastes are also classified as hazardous wastes. are those that are potentially dangerous and can cause diseases, fire, etc. The hazardous wastes include toxic wastes. Toxic wastes are those that are poisonous in nature. Hazardous wastes are tho..

A British economist Malthus'(1778) proposed a theory that population grows at geometric proportion and after the imbalance between population and resources is set in, population is automatically checked by natural disasters (like famine, epidemic, disease, earthquake, floo..

Presence of dangerous unnatural ingredients causing imbalance in the ecosystem and health hazards to human beings and animals can be called as pollution. That is, pollution is a phenomena where natural ingredients are replaced or damaged by presence of dangerous unnatural ingred..

Personal health Populations, resources, and environments Natural hazards Risks and benefits Science and technology in societ..

Personal health Populations, resources, and environments Natural hazards Risks and benefits Science and technology in societ..

Commercial manufacture and use of synthetic insecticides in the last six decades has led to many problems such as Air pollution during manufacturing stages. Bhopal gas disaster is a worst example for air pollution. Accidental ingestion of insecticides during handling and application..

Pollution is caused by almost all activities of human beings, either directly or indirectly. Use of mosquito repellent, use of cooking gas, use of diesel / petrol, use of detergent, passing of urine, throwing away wastes, use of pesticides, establishment of a factory or a hospital or a hostel, gene..

. The garbage should be segregated at the source - home, office, shops, etc. This should be followed by door to door collection. The recyclable material can automatically be sent to recycling plants. Many non-biodegradable materials are recyclable. For example, plastic, polythene, glass, metallic o..

The transmission lines used in telephony are of two kinds: open- wire and cable. The open-wire lines are gradually being superseded by cable construction, either overhead or underground, for two principal reasons. In the first place, many more circuits can be accommodated-there is a standard cable ..

>Biodegradable - The biodegradable wastes are those that can be decomposed. For example, kitchen garbage, animal dung, etc. Non-biodegradable - The non-biodegradable wastes are those that cannot be decomposed and remain as such in the environment. For example, plastics, nuclear wastes, glass, etc. ..