What is the most important duty that an American citizen must perform?

Respect and obey federal, state, and local laws. Respect the rights, beliefs, and opinions of others. Pay income and other taxes honestly, and on time, to federal, state, and local authorities.

Explanation:

answer; ///it examines the interaction between genetics and culture in shaping human biology;

the earthquake in haiti was a magnitude of 7.0 according to the u.s geological survey yet the smaller earthquake in haiti killed more than 200,000 and left more than 1.2 million people homeless. the chile earthquake was a magnitude of 8.8 and 500 times more stronger but chile's earthquake only injured 712 people.