They were searching for fable cities
Answer:
c. Observational studies have both independent and dependent variables.
d. Observational studies can be used to test hypothesis.
Explanation:
Observational studies are ones in which a researcher makes observations about his thoughts and views. He observes the risk and other effects before actual test takes place. This is usually the initial phase of research where observations are made for suitability of certain things that are to be researched. There is initial feasibility test conducted to identify whether the further research process is beneficial or not.
behavior subject to operant conditioning, and involuntary behavior is everything else. It might be clearer to define voluntary behavior as fully transparent to reinforcement.
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Answer: The Second Largest Continent is Africa
Explanation:
The First is Asia
Second is Africa
North America
South America
Antarctica
Europe
Australia