Answer: Experimental
Explanation:
An experimental research would be needed to prove if the hypothesis that "the presence of certain odors causes people to gamble more" is correct or not.
An experiment is a process carried out in a scientific method to prove if a hypothesis is correct or not.
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Answer:
World War II began on September 1st, 1939 when Nazi Germany invaded Poland. The war in Europe began at this point and unfolded as a series of major events and battles. The first weeks of the war in Europe consisted mostly of Germany, led by Adolf Hitler, unleashing its blitzkrieg tactics against Poland.
Explanation:
I believe its the first answer
