The interior elements in what type of construction are made of solid or laminated wood with no concealed space?

Verbal skills are well maintained until age ________, after which some healthy elderly persons gradually develop reductions in vocabulary, tendencies to make semantic errors, and abnormal pronunciation

a. 60 b. 70 c. 80 d. 90

Increasing the kV results in a more penetrating x-ray beam

Indicate whether the statement is true or false