Geography/gis

landsat 7 enhanced thematic mapper plus

if you were to choose only two spectral bands to discriminate between all targets, which bands would you select and why?

Simple astronomical telescope the objective lens has a focal length of 75 cm and that of a piece of 5cm of the lenses are 18 cm apart when will be final image of a distant object before

Scientists believe that differences in cause hot, plastic-like rock in the asthenosphere to rise toward earth's surface. a. density c. weight b. magnetism d. composition c. conduction. d. density.

Which did many cities ermerge along fall line in southern us