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.
1 About Titanium Dioxide What is titanium dioxide? ï· Titanium dioxide (TiO 2) is a white solid inorganic substance that is thermally stable, non-flammable, poorly soluble, and not classified as hazardous according to the United Nationsâ (UN) Globally Harmonized System of Classification and Labeling of Chemicals (GHS). Based on existing safety information, it can be concluded that the use of titanium dioxide nanomaterial (ultrafine) as an ingredient in cosmetic sunscreen products at a concentration up to 25 % poses no risks to human health (12, 13).