Question

iii.2b
this creative genius invented the light bulb and stock ticker?
¿este genio creativo inventó la bombilla y el ticker de accione
○ gates
○ singer
○ edison
○ tesla

Explanation:

To solve this, we recall the inventions of each person:

• Gates: Known for Microsoft, not light bulb/stock ticker.
• Singer: Known for the sewing machine.
• Edison: Invented the practical incandescent light bulb and contributed to the stock ticker.
• Tesla: Known for AC electricity, not these inventions.

Answer:

C. Edison