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The study of modern climatology is primarily global in perspective. The main tools used by climatologists are computer models of the atmosphere, ocean and land surface, and data inferred from SATELLITE observations.

Chemical manufacturing entails the conversion of one material to another by a chemical reaction on a commercial scale. The starting material (feedstock) can be a natural substance or a relatively pure chemical used as an "intermediate" for subsequent upgrading.

Chemical engineering is the technology of scaling up to commercial size chemical reactions which have been demonstrated in the laboratory.

Chemistry, the science concerned primarily with the structure and properties of matter and with the transformation of one form of matter into another. Now one of the most theoretically and methodologically sophisticated sciences, chemistry had its beginnings in medieval alchemy.

Early chemistry was principally analytical in nature; only as the body of experimental data increased did the present-day specialities evolve. The principal chemical subdisciplines are analytical, inorganic, organic and physical chemistry.

Food poisoning includes intoxication and infection resulting from consumption of foods contaminated by toxins (poisons) produced by specific micro-organisms, or the presence of infectious micro-organisms, heavy-metal contaminants (eg, copper) or natural toxins.

What is distinctive about communications in Québec is the existence of 2 often competing media serving different cultures and, above all, the ways in which francophone media have expressed or reinforced the character of French Canada.

Computer-Assisted Learning is an encompassing term which generally refers to 3 major uses of computers in education and training.

Canadian Geographic is the bimonthly magazine of the Royal Canadian Geographical Society (RCGS), which was founded in 1929 under stimulus from geologist Charles CAMSELL and explorer Joseph B. TYRRELL, who served as the society's first honorary president.

Physicians for Global Survival (Canada) (originally Physicians for Social Responsibility) is a voluntary nonprofit organization dedicated to the prevention of nuclear war. It came into being largely as the result of the efforts of the founding president, Dr Frank Sommers.

The main objective of the multidisciplinary expedition was to carry out a geological survey of the ridge. Researchers, therefore, brought a veritable geotechnical arsenal to bear on the polar ice to gather seismic, gravimetric, bathymetric and other data.

The Canadian Cancer Society is a national, community-based organization of volunteers whose mission is the eradication of cancer and the enhancement of the quality of life of people living with cancer.

Canadian Lung Association, Canada's first national voluntary health organization, was founded in 1900. Its roots were in the former Canadian Tuberculosis Association.

A shanty is a winter lumber camp. The term is derived from the French Canadian word for lumber camp, "chantier."

The word "bus," short for omnibus, refers to any self-propelled road vehicle capable of carrying more persons than a private automobile.

Thanks to the progress that had been made in identifying and mapping the Palaeozoic rocks (570-245 million years old) of western New York and northern New England, Logan was able to establish the broad correlations of the formations in the St Lawrence region.

Bye-boat (by-boat), a name applied historically to any small inshore fishing craft, usually an open boat carrying 5-10 men, used in Newfoundland in the bye-boat fishery.

Long before formal study of plants began in Canadian academic institutions, they were studied by explorers and talented amateurs.

Canadair CL-215, unique amphibious aircraft designed to fight forest fires with water bombing and chemical fire retardants. It can scoop up a load of over 5000 litres of water in 10 seconds while skimming over a body of water, and jettison it over a fire in less than 1 second.