Please answer the following question: Fact 1: An electron microscope is used for seeing very small objects by making them appear bigger. Fact 2: Each cell is too small to see with the naked eye. Given the two facts above, answer the question "What can make cells appear bigger?" with the following options: - prolactin release - kaleidoscope - electron microscope - deoxyribonucleic acid - radars - deuterostomes - Electrical energy - stethoscope
A:
electron microscope