Answer:
freed African American slaves in the Confederate states
Explanation:
<u>mark me brainliest pls! im not from the US so I had to do some research :)</u>
You got thise if your a girl or boy
The answer is: [B]: "False" .
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Try founder of role is Luigi moretti
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.
