The relationship between source and surface traits is such that
A. every surface trait is caused by one or more source traits.
B. a source trait can influence several surface traits.
C a cluster analysis of surface traits reveals source traits.
D. all of the above
Answer:D
The relationship between source and surface traits is such that
A. every surface trait is caused by one or more source traits. B. a source trait can influence several surface traits. C a cluster analysis of surface traits reveals source traits. D. all of the above