Answer:
Paying taxes
Explanation:
Paying taxes is a responsibility that every American has
Scientific research is the systematic investigation of scientific theories and hypotheses.
Answer:
Crime scene investigators rely on a variety of techniques to help them determine how a crime was committed and who committed it. The analysis of physical evidence includes looking for fingerprints and DNA, and examining blood-spatter patterns to determine what type of weapon was used and the spatial relationship of the weapon to the victim.
(Not my own info)