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Tuna
The tuna is a swift, elegant marine fish of class Actinopterygii, order Perciformes, family Scombridae (mackerels).
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The tuna is a swift, elegant marine fish of class Actinopterygii, order Perciformes, family Scombridae (mackerels).
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Tungsten (W), also called Wolfram, lapis ponderosus or Heavy Stone, is a silver-grey metallic element with the highest melting point of any metal (3410° C). Tungsten has a high density, high strength at elevated temperatures and extreme hardness.
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Unlike other mountainous countries such as Switzerland, and despite its size, Canada is not distinguished by well-known tunnels.
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Turnip (Brassica rapa, Rapifera Group), biennial vegetable belonging to the Cruciferae family and grown in all provinces as a root crop.
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Turtles are egg-laying, toothless reptiles with limb girdles roofed over by a wide rib cage and fused to bony plates in the skin.
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For some Indigenous peoples, Turtle Island refers to the continent of North America. The name comes from various Indigenous oral histories that tell stories of a turtle that holds the world on its back. For some Indigenous peoples, the turtle is therefore considered an icon of life, and the story of Turtle Island consequently speaks to various spiritual and cultural beliefs. This is the full-length entry about Turtle Island. For a plain-language summary, please see Turtle Island (Plain-Language Summary).
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The tyrant flycatcher (family Tyrannidae) comprises a large, diverse New World family of birds.
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Macleans
Author J.B. MacKinnon’s latest explores our ever-shrinking, increasingly unnatural worldThis article was originally published in Maclean's Magazine on March 3, 2014
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Uranium oxide was first identified in 1789 by M.H. Klaproth in the MINERAL pitchblende, but its distinctive property of radioactivity was discovered much later (1896) by Henri Becquerel.
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A vegetable is a herbaceous plant of which all or a part is eaten, raw or cooked. Vegetables are a valuable source of protein, vitamins, minerals, trace elements and fibre. All vegetables are high in carbohydrates, which contribute to their unique taste.
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Canada has seven primary vegetation regions, in addition to the marine flora found along the country’s coasts. Vegetation regions are geographical areas characterized by distinct plant communities. Community composition, determined primarily by climate (e.g., temperature, precipitation and sunlight), may be affected by factors such as geology, soil composition and erosion, water drainage patterns and human interference. Each vegetation region supports a characteristic animal community that may also affect its composition. This is a full-length entry about Vegetation Regions. For a plain-language summary, please see Vegetation Regions (Plain-Language Summary).
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Vetch species are in the genus Vicia, which includes about 150 species native to both the Old and New Worlds, especially the Mediterranean area. Only 3 are native to Canada, although 9 or so have been introduced.
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The Violet is a family (Violaceae) of annual or perennial herbaceous plants widely distributed throughout temperate and tropical regions. Tropical species may reach tree size. Roughly 500 species of genera Viola (violets, pansies) and Hybanthus (green violets) alone occur worldwide.
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The vireo (Vireonidae) is a family of small, basically olive green, insectivorous and partly frugivorous songbirds with repetitive, persistent song.
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