Researcher Dr. Dre is interested in how parrots learn to talk. He studies one African grey parrot extensively for several years. This is an example of what kind of research

the supreme court plays a big role in government. the constitution gives them ability to check the president and the congresses actions and dictate if their actions are allowed by the constitution or not.

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answer; jewish immigrants;

answer; software failure, and human error;

answer; not notated (at least, not in the traditional sense) and includes many improvised sections and solos;