A. A fact that elaborates on the point of the writing.
Pull over to the closest edge of the road
Social structure is the stable pattern of social relationships that exist within a particular group or society. It provides a framework within which we interact with others. It is an orderly, Fixed arrangement of parts that together make up <span>the whole group or society.</span>
Answer:
a. each particle of matter vibrates about its normal rest position and along the axis of propagation,
b. Liquids
C. because liquids have the right amount of space between them for the wave to pass through quickly
Explanation: