The Vietnam war affected the United States horribly because we lost great and amazing soldiers
To advise a new type of Ford
Tensions between Mexico and the American colonists increased, eventually leading to open rebellion.
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>
Hope this helps!