A is a person who has is native (born in a country) or naturalized to a country. have many duties and responsibilities. Most U. S. are native born. (same word for all 3 blanks)

ok give me a minute to answer

Explanation:

its kind of blury sorry

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.