My definition of language fluency. Fluency is a spectrum (see the video below). This is my primary criteria for determining a personâs fluency level in a foreign language: Theyâre able to use their target language to learn more target language.
Geophysics /dÊiËoÊfÉªzÉªks/ is a subject of natural science concerned with the physical processes and physical properties of the Earth and its surrounding space environment, and the use of quantitative methods for their analysis.
Definition of geochemistry. 1  1 : a science that deals with the chemical composition of and chemical changes in the solid matter of the earth or a celestial body (such as the moon) 2  2 : the related chemical and geological properties of a substance.