Oprah Winfrey is the most famous woman in the world
Answer:a large lebor force
Explanation:
Based on this information, one can infer
that the studies were correlational, rather than experimental.
<span>Correlational
research simply defines if there is a relationship between two variables (covariation).
This study greatly differs with experimental studies. Experimental studies is a
method where treatments( independent variable) are applied and the effects(dependent
variable) are observed and recorded.</span>
Answer:
Petroleum
Explanation:
Petroleum is a non-metallic mineral.