Environmental Science
232 ENVIRONMENTAL SCIENCE habits and inappropriate nutritional food will develop communicable and harmful diseases. Illiteracy i ...
ENVIRONMENTAL SCIENCE : HUMAN POPULATION AND ENVIRONMENT 233 (d) Through blood: AIDS, malaria, yellow fever, dengue, filarial, e ...
234 ENVIRONMENTAL SCIENCE Infective period: Three weeks after the symptoms are observed. Symptoms: The patient coughs frequently ...
ENVIRONMENTAL SCIENCE : HUMAN POPULATION AND ENVIRONMENT 235 Vibrio El tor: The other germ Vibrio el tor spreads in the Bay of B ...
236 ENVIRONMENTAL SCIENCE Symptoms The cold stage: The patient feels cold and suffers from fever, headache, nausea and vomiting. ...
ENVIRONMENTAL SCIENCE : HUMAN POPULATION AND ENVIRONMENT 237 Civil rights are based on positive law: they are derived from laws ...
238 ENVIRONMENTAL SCIENCE (vi) Health education can be imparted in an effective manner by personal contact programmes. (vii) Per ...
ENVIRONMENTAL SCIENCE : HUMAN POPULATION AND ENVIRONMENT 239 (iii) Filtration: Different varieties of filters are used to purify ...
240 ENVIRONMENTAL SCIENCE (iv) Unventilated environment leads to digestive disorder loss of appetite, anemia, metabolic disturba ...
ENVIRONMENTAL SCIENCE : HUMAN POPULATION AND ENVIRONMENT 241 (ii) Homosexual intercourse (anal sex) with an infected person. The ...
242 ENVIRONMENTAL SCIENCE (A) Central Social Welfare Board Central social welfare board was established in 1953 under the social ...
ENVIRONMENTAL SCIENCE : HUMAN POPULATION AND ENVIRONMENT 243 (i) Initiate, undertake or aid directly or through its branches or ...
244 ENVIRONMENTAL SCIENCE (iv) Primary Health Care The UNICEF sponsors Child health care programmes. It provides funds for the t ...
ENVIRONMENTAL SCIENCE : HUMAN POPULATION AND ENVIRONMENT 245 building in the congested city to do their work. Increasingly, work ...
246 ENVIRONMENTAL SCIENCE Introduction Today, educationists have come to realize that the immediate Environment is a wonderful c ...
ENVIRONMENTAL SCIENCE : FIELD TRIP 247 Methods of Utilizing Environment Resources There are basically two ways in which the teac ...
248 ENVIRONMENTAL SCIENCE (v) Expanding emotional and intellectual horizons—This may be done making us acquainted with people wh ...
ENVIRONMENTAL SCIENCE : FIELD TRIP 249 Surveys foster comprehensive understanding of Environment structure and processes in the ...
250 ENVIRONMENTAL SCIENCE Teacher’s attitude The teacher should have an encouraging attitude, never an “I have been through al ...
ENVIRONMENTAL SCIENCE : FIELD TRIP 251 Environment Service Project The pupils for civic welfare involving individual activity ...
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