Which of the Following Is FALSE According to Cattell's Theory

Which of the following is FALSE according to Cattell's theory of fluid and crystallized intelligence?

A) Fluid intelligence requires the ability to reason abstractly and think logically.
B) Fluid intelligence is related to short-term memory.
C) There is little difference between fluid and crystallized intelligence across the life span.
D) Crystallized intelligence is related to long-term memory.
E) While crystallized intelligence may improve across the life span, fluid does not.