Ejercicio 1: Eploración del volcán - continuación   The 4-5-3 combination with two IR bands highlights details not seen with previous combinations. Vegetation types can be distinguished and are displayed in shades of orange/brown/green, urban areas in shades of light purple, water is dark and can be delineated from land very well, and the volcanic plume disappears.   The 7-4-2 FCC band provides a natural appearance: healthy vegetation is bright green, grassland is green, soils have multiple colours, bare soil is pink and sparse vegetation is orange. Fires would appear red.