What do scientists often create when they cannot easily study the real thing a. a theory b. a model c. a trend d. a dependent variable

Which of the following terms is defined as supported by scientific research l and knowledge of how children and develop? a. evidence-based practices b. ethical conduct c. advocacy d. culture competence

Which of the following is an executive check on the powers of the judicial branch of government? a. presides over senate during hearing to impeach the president b. enforces term limits for supreme court justices c. nominates supreme court justices and federal judges d. casts tie-breaking vote if the supreme court cannot reach a verdict

Which of the following answer best explains the ideals or principles led to the concept of manifest destiny? a americans wanted the european countries to stay out of the north american continent. b americans felt they had a god-given duty to protect the land of the native americans. c americans thought they had a god-given duty to spread their culture and government. d americans learned about this concept from the native americans tribes had encountered.