Multiple Choice
Scientists in a Central American country are studying factors that may be associated with delayed physical growth among a group of low-income children.The children live in a region of the nation that has high levels of lead in drinking water.This study is an example of a(an) ____ study.
A) epidemiological
B) introspective
C) conventional
D) uncontrollable
Correct Answer:
Verified
Correct Answer:
Verified
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