Which of the following is true of mechanical waves? A. Mechanical waves are not sound waves.
B. Mechanical waves have repeating patterns.
C. Mechanical waves only move in one direction.
D. Mechanical waves disturb energy rather than matter.

Which phrase describes the paleo-indians of prehistoric arkansas? a. grew cornb. lived in cliff dwellings c. crafted beautiful potteryd. hunted with stone-tipped spearswhich phrase describes native arkansas from the woodland traditiona. developed widespread agricultureb. hunted mastodon and woolly mammothc.built rectangle-shaped homesd. traded salt with other groups