seismic spread
31Great Hanshin earthquake — Great Hanshin Earthquake …
32Hydrocarbon exploration — Onshore Drilling Rig Hydrocarbon exploration (or oil and gas exploration) is the search by petroleum geologists and geophysicists for hydrocarbon deposits beneath the Earth s surface, such as oil and natural gas. Oil and gas exploration are… …
33Marine pollution — While marine pollution can be obvious, as with the marine debris shown above, it is often the pollutants that cannot be seen that cause most harm. Marine pollution occurs when harmful, or potentially harmful effects, can result from the entry… …
34South 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… …
35Mumbai — Bombay redirects here. For other uses, see Bombay (disambiguation) …
36Spyware — is a type of malware that can be installed on computers, and which collects small pieces of information about users without their knowledge. The presence of spyware is typically hidden from the user, and can be difficult to detect. Typically,… …
37Greater Sudbury —   City   City of Greater Sudbury Ville de Grand Sudbury From top left: Downtown Sudbury Skyline, Big Ni …
38Mount Pinatubo — The eruption column of Mount Pinatubo on June 12, 1991, three days before the climactic eruption. Elevation …
391985 Mexico City earthquake — Mexico city Collapsed General Hospital …
40geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… …
