11. Which of the following statement is true?
A. All living things are made of cells.
B. Bacteria are cells that have bad effects.
C. New cells are created when old cells die.
D. A hen's egg is an example of many millions of cells.
12. What do you think is the reason why a scratch on microscope lenses happened?
A. Washing the entire microscope.
B. Providing too much light when viewing.
C. Using rough cloth in cleaning the lenses.
D. Keeping the microscope in a cabinet full of dust.
13. How are you going to handle a microscope when transferring from one location to another?
A. Hold the microscope on the stage with both hands.
B. Hold on the arm and swing it as you walk to keep in balance. C. Hold it in the inclination joint with one hand and other hand to its base.
D. Hold one hand on the arm of the microscope and other hand on the base of the microscope.
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Verified answer
Answer:
11.a
12.c
13.a
Explanation:
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