(Q).
Q: What type of waves are the slowest of all seismic waves? Choices: - core waves - thick waves - central waves - surface waves A:
(A).
surface waves

(Q).
Q: What are inorganic compounds that take the form of discrete molecules called? Choices: - magnetic compounds - ionic compounds - functional compounds - molecular compounds A:
(A).
molecular compounds

(Q).
Q: What term means that only molecules or ions of a certain size, shape, polarity or charge are capable of passing through the material? Choices: - classic permeation - induced permeation - radiation permeation - selective permeation A:
(A).
selective permeation