Question

which of the following is an example of a complex system? a manual can opener a light switch a pencil sharpener a smartphone in a solar panel system, what serves as the primary input? sunlight electricity air water which technological system category is primarily concerned with the manipulation of living organisms?

Explanation:

1. A smartphone has multiple complex components like a processor, camera, sensors, and software systems, making it a complex system. Manual can openers, light - switches, and pencil sharpeners are relatively simple devices.
2. In a solar panel system, sunlight is the primary input which is converted into electricity.
3. The life - science technological system category is primarily concerned with the manipulation of living organisms.

Answer:

1. D. A smartphone
2. A. Sunlight
3. Life - science