meteorology: Particle sizing in remote sensing, which must rely on backscattering using several wavelengths, is an importani topic in experimental meteorology.

geo= earth: The earth takes approximately 3651/4 days to go round the sun.

clima= region: the Nordic/Asia-Pacific region

bio= life: I'm not sure I want to spend the rest of my life with him.

hydrology: A practical method for estimating the impact of land-use change on surface runoff, groundwater recharge and wetland hydrology.

climatology: One might say that it is about time that students of northern peoples, if not of climatology, look at indigenous understanding(s) of climate in relation to the larger environment.

geology: The sample suites were collected by a number of workers during regional geology, petrology and geochronology projects.

astronomy: Unlike astronomy, astrology cannot be described as an exact science.

hydrosphere: He wrote a paper on the evolution of the Martian hydrosphere.

atmos= vapor: The hollow glass tank contains hot mercury vapor.

paleontology: Their celebrated friendship, which later became a bitter rivalry, remains inseparable from the conceptual foundations of the anatomical sciences, including comparative anatomy and paleontology.

physical geography: However, the compact nature of this physical geography masks its dense human geography and the intensity of the geopolitical forces that animate its conflicts.