7. Density slicing produces an Image that uses a range of contrasting colors (see figure 5.:2z). Prepare a list of advantages and disadvantages of this form of image entiancement. 9. The digttal format is now becoming the de facto standard for recording and storing aerfal imagery Discuss some of the advantages and disadvantages that accompany thils change. 30. Some students find it highly illogical to use band combinations in which, for example, radiation in the red region of the spectrum is displayed using another color. Explain in a few concises sentences why such band combinations are useful