Multiple Choice
The method used by Henrietta Swan Leavitt in her discovery involving Cepheids, which is described in your textbook, is similar to:
A) The method of agreement.
B) The method of residues.
C) The method of difference.
D) The method of concomitant variation.
E) The joint method of agreement and difference.
Correct Answer:

Verified
Correct Answer:
Verified
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