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On 15 February 1982, the world's largest semisubmersible drill rig, Ocean Ranger, capsized and sank in a fierce storm on the Grand Banks with the loss of all 84 crew members, 56 of whom were Newfoundlanders.

Gulf Canada Resources Limited was incorporated in 1906 as the British American Oil Company Limited. In 1969 Gulf Oil Corp of the US bought BA, which became Gulf Oil Canada Limited. The name, Gulf Canada Ltd, was adopted in 1978 and in July 1987 the company became Gulf Canada Resources Limited.

Glaciation is the formation, movement and recession of glaciers. Glaciation was much more extensive in the past, when much of the world was covered in large, continental ice sheets. Currently, glaciers cover about 10 per cent of the world's land area (14.9 million km2).

Gravity, the fundamental physical property of attraction between all bodies, is here considered mainly as it relates to the study of the Earth.

Emergence of GrasslandsGrasslands began to appear about 25 million years ago, changing the face of much of the world and providing food for grazing animals. Grasses and grazers evolved together. Grasses benefit because grazers control the growth of competing species and provide fertilizers.

Hare is a term applied to midsized herbivores of the order Lagomorpha whose young are born fully haired, with eyes open, and able to run about a few minutes after birth.

For centuries people have argued about the age of the Earth; only recently has it been possible to come close to achieving reliable estimates.

Earth is 70.8% covered by water, but only with the development of sonar techniques has it become possible to describe the solid earth below the oceans. With increasingly sophisticated satellite observations, relatively fine structural details (eg, areas of volcanic activity) can be seen.

Since prehistoric times, the inhabitants of what is now Canada used vegetation and animals for food, clothing and shelter. They fashioned implements and ornaments from MINERALS and, after the arrival of Europeans, used furs for trading.

Task Force, established, like a ROYAL COMMISSION, under the Inquiries Act. Members are appointed by the governor-in-council. The subject matter of a task force is generally less important than that of a royal commission.

French Canadian nationalism concerns a wide variety of manifestations of the collective will of much of Canada's French-speaking population to live as a distinct cultural community. Its innumerable ramifications have been not only cultural but also political, economic and social.

The fuel cell, device that directly converts the energy potential of fuels into electrical power. (Electrical power is equivalent to work output.) Directly means without first burning the fuel to cause a temperature rise followed by a second-step, which is the conversion of heat into work.

Serious attempts to estimate the size of the galaxy began in the 19th century.