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.
Geophysics is a highly interdisciplinary subject and geophysicists contribute to every area of the Earth sciences. To provide a clearer idea of what constitutes geophysics, this section describes phenomena that are studied in physics and how they relate to the Earth and its surroundings.