| 31. | Liquid subsurface water would provide habitable conditions for exotic forms of life.
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| 32. | It is found in deep-terrestrial-subsurface sediments.
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| 33. | Since 1969, all US bromine has been produced from subsurface brine.
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| 34. | Other artefacts remain in surface and subsurface deposits across the entire site.
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| 35. | The Boomerangers maintained surface and subsurface surveillance in the Gulf of Tonkin.
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| 36. | Biologists say fish feed substantially more on subsurface bugs.
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| 37. | WELL LOGGING _ Devices to measure subsurface characteristics of oil and other wells.
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| 38. | Slight deviations are caused by inhomogeneities of subsurface structure.
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| 39. | A geotechnical investigation will include surface exploration and subsurface exploration of a site.
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| 40. | This is especially apparent when soil parent material is saline . subsurface drainage.
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