Answer:
The answer is c substitution
A seismologist would be involved with the study of methods to predict earthquakes.
Answer:
True because the level and state of consciousness vary. Different states of consciousness are associated with different brain wave patterns. Brain waves are tracings that show the kind of electrical activity going on in the brain. Scientists use an electroencephalograph, or EEG, to record these waves. The main types of brain waves are alpha, beta, theta, and delta.
