Answer: Observational Study
Explanation: An experiment requires a scientist to observe subjects of the study under specific conditions where an independent variable is involved and controlled by the scientist.
An observational study on the other hand is in an uncontrolled environment and the scientist does not have any control on the variables. An example is polls. The purpose of this type of study is to get statistical values without interfering with the the subjects of the study.
The men's tournament was won by Argentina, coached by Marcelo Bielsa, which held a record of having won every match without conceding a goal in the tournament.
The country that controlled Canada in 1803 is the United Kingdom.
The answer is <span>Digital Zoom</span>
Answer:
Explanation:
Jackson declared that removal would "incalculably strengthen the southwestern frontier." Clearing Alabama and Mississippi of their Indian populations, he said, would "enable those states to advance rapidly in population, wealth, and power."