commission for marine geology
31Cretaceous — Period 145.5–65.5 million years ago …
32Great Barrier Reef — The Great Barrier Reef * UNESCO World Heritage Site …
33United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
34Deep water coral — Table coral, which can live in deep water (in this picture, it is in shallow, warm water) The habitat of deep water corals, also known as cold water corals, extends to deeper, darker parts of the oceans than tropical corals, ranging from near the …
35Scientific research in Canada — This article outlines the history of natural scientific research in Canada including, mathematics, physics, astronomy, space science, geology, oceanography, chemistry, biology, medical research and psychology. The social sciences are not treated… …
36South 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… …
37Columbia River — Coordinates: 46°14′39″N 124°3′29″W / 46.24417°N 124.05806°W / 46.24417; 124.05806 …
38Indonesia — /in deuh nee zheuh, sheuh, zee euh, doh /, n. 1. See East Indies (def. 1). 2. Republic of. Formerly, Netherlands East Indies, Dutch East Indies. a republic in the Malay Archipelago consisting of 13,677 islands, including Sumatra, Java, Sulawesi,… …
39Extinction Crétacé-Tertiaire — Badlands près de Drumheller, Alberta, où l érosion a découvert à l air libre la limite K–T …
40Colton Point State Park — Coordinates: 41°41′59″N 77°27′53″W / 41.69972°N 77.46472°W / 41.69972; 77.46472 …
