You have been living your whole life on a planet. Planets make up solar systems, solar systems make up galaxies, and galaxies make up universes which make up all of existence in space.
There are many different touchscreens. Resistive, Capacitive, Infrared, Surface Acoustic Wave, Near field imaging, and Light pens. However, I am going to talk about Resistive, since that is the most popular in touchscreen technologies. They basically have a flexible upper layer of conducting polyester plastic bonded to a rigid lower layer of conducting glass and separated by an insulating membrane. When you touch the screen, you force the polyester to touch the glass and it will complete a circuit in the touchscreen. A chip inside will figure out where you touched the phone and send out an output.
Answer:
The correct option based on the benefits principle will be option b & c.
Explanation:
According to taxes based on the benefits principle, the households or users are willing to pay a tax for the benefits received. In that question, options b and c are related to paying taxes and receiving two clear benefits like new soccer fields and upgrading the facilities of local high schools.