These people are spontaneous and flexible, their personality traits are such that they react well to change.

The key to collecting successful live effects in the field is making sure that the recorded effect:

a. is authentic b. sounds like what it is supposed to be c. is in proper perspective relative to the picture d. is recorded mono-compatible

Generally, the best presentation aid to use is __________.

A. a model B. the object itself C. a diagram D. a graph