Answer:
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Otitis interna is also known as inner ear infection. This is characterized by symptoms such as dizziness, unclear hearing or one-sided hearing, hearing a steady ringing noise and rapid movement of eyes.
<span>An example of a Monarch during the Middle Ages is Eleanor of Aquitaine. </span>
The bill is sent back to congress and if two thirds of all members of congress vote yes then it can still become a law
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.