(Q).
Answer the following question given this paragraph: Bones become increasingly ossified and grow larger during fetal development, childhood, and adolescence. When skeletal maturity is reached at about age 20, no additional growth in bone length can occur. Q: At what age is skeletal maturity reached by humans? Choices: - 40 - 30 - 15 - 20 A:
(A).
20

(Q).
Answer the following question given this paragraph: A: The wave travels down the string to the end. The string vibrates up and down at right angles to the direction of the wave. Q: When a wave travels down a string, the string vibrates up and down at right angles to the wave's what? Choices: - frequency - pressure - gravity - direction A:
(A).
direction

(Q).
Answer the following question given this paragraph: A: The wave travels down the string to the end. The string vibrates up and down at right angles to the direction of the wave. Q: When a wave travels down a string, the string vibrates up and down at right angles to the wave's what? Choices: - frequency - pressure - gravity - direction A:
(A).
direction