The answer is a. It took different scientists's inventions/discoveries to come to a conclusion which was the cell theory. They didn't have computers before they developed the cell theory so, it's not c.
the first dude is wrong, its D. ;
The development of cell theory involved contributions from several scientists, particularly Robert Hooke, Matthias Schleiden, Theodor Schwann, and Rudolf Virchow, who collectively established that all living things are made of cells. This process was based on their individual observations and ideas rather than a single scientist's work. Therefore, the correct answer is A: different ideas from different scientists.
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