noun. This mountain is a landform. This mountain is a landform. The definition of a landform is a natural physical feature on the earth's surface.A mountain or a valley is an example of a landform. any topographic feature on the earth's surface, as a plain, valley, hill, etc., caused by erosion, sedimentation, or movement. noun.oun. This mountain is a landform. This mountain is a landform. The definition of a landform is a natural physical feature on the earth's surface.
Report Abuse. Titanium is a solid at normal conditions (a metal). It is not found in nature as a pure element rather in its oxide form rutile, principally in commercial concentrations in beach sands along the coast of Queensland.
NIOSH REL: None established; NIOSH considers titanium dioxide to be a potential occupational carcinogen as defined by the OSHA carcinogen policy [29 CFR 1990]. Current OSHA PEL: 15 mg/m 3 TWA. 1989 OSHA PEL: 10 mg/m 3 TWA. 1993-1994 ACGIH TLV: 10 mg/m 3 TWA. Description of substance: White, odorless powder.