Image rasters are called such because they store
a.
qualitative color codes
b.
numeric values representing only one theme
c.
numeric values representing light reflectance
d.
qualitative values representing reflected color from objects
e.
values that can be visualized as colors but cannot be used in any kind of analysis

Which of the following does not determine the type of magma to erupt from a volcano? a. temperature b. gas content c. viscosity d. silica content what kind of volcano forms from basaltic magma with low-viscosity and low-gas content? a. shield volcano b. stratovolcano c. composite-cone volcano d. cinder-cone volcano what is viscosity? a. a rising mass of mantle abnormally hot and / or wet b. a pool of magma beneath the overlying crust c. what causes a bend to occur in the rock layer d. a measure of a fluid's resistance to flow