Answer:
B. Concave mirror
Explanation:
It helps the microscope in obtaining magnified and sharp image of the objects. Also, microscopes use convex lenses in order to focus light. To be clear, the lenses used in the microscope is convex, while the mirror is concave. Remember that the mirror and the lens are two different parts of the microscope.
Sana na intindihan mo yung explination, hindi ako magaling mag explain ^_^
