heavy calcareous
51Shansi — /shahn see /, n. Older Spelling. Shanxi. * * * ▪ province, China Introduction Chinese (Wade Giles) Shan hsi, (Pinyin) Shanxi, sheng (province) of northern China. It has an area of about 60,200 square miles (156,000 square kilomet …
52South America — South American. a continent in the S part of the Western Hemisphere. 271,000,000; ab. 6,900,000 sq. mi. (17,871,000 sq. km). * * * Continent, Western Hemisphere. The world s fourth largest continent, it is bounded by the Caribbean Sea to the… …
53Acid mine drainage — Yellow boy in a stream receiving acid drainage from surface coal mining. Acid mine drainage (AMD), or acid rock drainage (ARD), refers to the outflow of acidic water from (usually abandoned) metal mines or coal mines. However, other areas where… …
54Heliciculture — (snail farming) is the process of farming or raising snails.HistoryRoasted snail shells have been found in archaeological excavations, an indication that snails have been eaten since prehistoric times [ [http://watarts.uwaterloo.ca/… …
55beach — beachless, adj. /beech/, n. 1. an expanse of sand or pebbles along a shore. 2. the part of the shore of an ocean, sea, large river, lake, etc., washed by the tide or waves. 3. the area adjacent to a seashore: We re vacationing at the beach. v.t.… …
56Beach — /beech/, n. 1. Moses Yale, 1800 68, U.S. newspaper publisher. 2. Rex Ellingwood /el ing wood /, 1877 1949, U.S. novelist and short story writer. * * * I Sediments that accumulate along sea or lake shores. One type of beach occurs as a sediment… …
57sculpture — sculptural, adj. sculpturally, adv. /skulp cheuhr/, n., v., sculptured, sculpturing. n. 1. the art of carving, modeling, welding, or otherwise producing figurative or abstract works of art in three dimensions, as in relief, intaglio, or in the… …
58snake — snakelike, adj. /snayk/, n., v., snaked, snaking. n. 1. any of numerous limbless, scaly, elongate reptiles of the suborder Serpentes, comprising venomous and nonvenomous species inhabiting tropical and temperate areas. 2. a treacherous person; an …
59Somalia — Somalian, adj., n. /soh mah lee euh, mahl yeuh/, n. an independent republic on the E coast of Africa, formed from the former British Somaliland and the former Italian Somaliland. 9,940,232; 246,198 sq. mi. (637,653 sq. km). Cap.: Mogadishu.… …
60Cnidaria — Temporal range: 580–0 Ma …
