The answer is tobacco and cotton
It inspired bus boycotts in other cities, spreading the civil rights movement
roger sherman happy to help
Question
<em>Which of the following is used to bring an object into focus? A.diaphragm B.revolving nose piece C.course adjustment D.objective lens</em>
Answer:
<em>Knob used to bring object into approximate focus; used only with low-power objective. Knob used to bring object into final focus. Lens system below the stage used to focus the beam of light on the object being viewed. The flat surface of the microscope that rests on the table.</em>
<em>D.) Objective lens</em>
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