still finding some answer in this question
Two major quantitative research tools which are being used by sociologists would be graph theory - graph theory is a special area of mathematics which gets used in social network theory and is an interesting tool to use. Another are questionnaires which represent the bulk of sociologist empirical research.
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I would say the answer would be 3 because if a soccer ball player kicks the ball hard enough the ball could curve in a certain direction.
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