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Historic Rockslides in Canada Site Date Volume m³ Damage Rubble Creek, BC 1855? 25 million unknown Frank, Alberta 29 April 1903 30 million 70 deaths, half a town destroyed Brazeau Lake, Alberta July 1933 5 million telephone lines Hope, BC 9 January 1965 47 million 4 deaths; road buried English Chief River, NWT 5 October 1985 7 million None
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Canadian agriculture has experienced a markedly distinct evolution in each region of the country. A varied climate and geography have been largely responsible, but, in addition, each region was settled at a different period in Canada's economic and political development. The principal unifying factor has been the role of government: from the colonial era to present, agriculture has been largely state-directed and subordinate to other interests.
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Holly, common name for shrub of the holly family Aquifoliaceae. The true hollies belong to genus Ilex, comprising some 400 species worldwide, mostly in Central and South America.
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Honeysuckle, common name for plants, usually woodland shrubs, of genus Lonicera, family Caprifoliaceae.
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Hornet is the common name for wasps in the genus Vespa. They are members of the insect family Vespidae in the order Hymenoptera, which also includes other social wasps like yellowjackets and paper wasps. There are 22 species of hornets worldwide, none of which are native to Canada. However, three introduced species have been found here: the European hornet (Vespa crabro) in southern Ontario and Quebec, and the Japanese yellow hornet (Vespa simillima) and Asian giant hornet (Vespa mandarinia) in coastal British Columbia. The bald-faced hornet (Dolichovespula maculata) is native to Canada, but is actually a species of yellowjacket.
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Horse (Equus caballus), herbivorous mammal possessing single toes or hoofs (ie, ungulate), contributing to its speed.
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Wild horses or feral horses (meaning once domesticated animals that have reverted to a wild state) are found primarily in Western Canada. East of Alberta, the only wild horses are the Sable Island horses. Whether wild horses in North America should be referred to as wild or feral is a matter of debate among experts.
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Horsetail, perennial plant of genus Equisetum, the only living representative of the very ancient and primitive class Sphenopsida.
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The house sparrow (Passer domesticus) is a small, granivorous and insectivorous songbird with conical bill and chunky body.
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Hoverflies, also known as flower flies, are members of the family Syrphidae within the insect order Diptera (true flies). There are over 6,600 known species of hoverfly, including 539 recorded species in Canada. Hoverflies are found in every Canadian province and territory, including as far north as Ellesmere Island. Adults feed on nectar and pollen, making them important pollinators in a variety of habitats. Many hoverfly species are threatened by habitat destruction and the introduction of non-native species.
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Humane societies are societies for the prevention of cruelty to animals (SPCA). Following a long struggle by Richard Martin, British landowner and parliamentarian, and others to secure legislation against cruelty to children and livestock, the first SPCA was begun in England in 1824.
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One of Canada’s most high-profile highway tragedies occurred on 6 April 2018, when a bus carrying 28 members of the Humboldt Broncos junior hockey team collided with a transport truck at a highway intersection near Tisdale, Saskatchewan. The crash killed 16 team members: 10 players and 6 staff. It also led to new truck-driver training and licensing regulations and increased awareness about the availability and use of seat belts among bus passengers.
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Humidity is related to the amount of moisture or water vapour in the air. Although invisible, water vapour is always present in the atmosphere.
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Hummingbird is a common name for New World family Trochilidae, which numbers more than 300 species.
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Many factors are involved in their creation. With most, intense sunlight heats the ocean, which in turn warms the overriding air by convection. The heated air rises, carrying away evaporated water charged with energy and producing an area of low pressure.
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