define natural hazards

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..

Number of ill effects of alcoholism are recorded. Some of them are: loss of judgement and self control. loss of emotional control and sense of logic. loss of moral sense. visual problems - blurred visions. neuritis - caused by inflammation of neurons. gastritis - caused due to inf..

Dangers of Radiation - The first and only atomic bombs were used in war was in 1945 when Hiroshima and Nagasaki were devastated. Widespread destruction and damage were produced immediately by the blast. Some of the damage caused by the emitted radiation became evident within days, but some did not ..

Cells are isodiametric i.e. equally expanded on all sides. They may be oval, round, polygonal or elongated. Nucleus is present and hence living. The cell walls are thin and made of cellulose. Cytoplasm is dense with a single large vacuole. Intercellular spaces may be present. Ma..

The cells are long, narrow, thick and lignified, usually pointed at both ends. The cell wall is evenly thickened with lignin and sometimes is so thick that the cell cavity or lumen is absent. Nucleus is absent and hence the tissue is made up of dead cells. They have simple often, oblique..

Sulphuric acid is an oily liquid that is dense, colorless and odorles..

Cells are isodiametric i.e. equally expanded on all sides They may be oval, round, polygonal or elongated Nucleus is present and hence living The cell walls are thin and made of cellulose Cytoplasm is dense with a single large vacuole Intercellular spaces may be present May cont..

The cells are long, narrow, thick and lignified, usually pointed at both ends The cell wall is evenly thickened with lignin and sometimes is so thick that the cell cavity or lumen is absent Nucleus is absent and hence the tissue is made up of dead cells They have simple, often oblique pi..