Ask a New Question
Menu

Which statement is true about the two metals used in batteries? (1 point)

• The two metals restrict the flow of electrons.
• The two metals have opposite charges.
• The two metals are not reactive to chemicals inside the battery.
• The two metals are the same.

11 answers

The two metals have opposite charges.
Which type of transportation system is best for moving a large amount and wide variety of goods? (1 point)
• road
• rail
• air
• maritime
maritime
Which mode of transportation is best for ensuring fastest delivery? (1 point)
• rail
• air
• road
• maritime
air
How does combustion occur in a gas engine of a car? (1 point)
• Carbon dioxide and gasoline are compressed in the engine, and a spark plug ignites the fuel.
• Carbon dioxide and gasoline are compressed in the engine, and the fuel spontaneously ignites.
• Oxygen and gasoline are compressed in the engine, and the fuel spontaneously ignites.
• Oxygen and gasoline are compressed in the engine, and a spark plug ignites the fuel.
Oxygen and gasoline are compressed in the engine, and a spark plug ignites the fuel.
The gas pedal belongs to which subsystem of an automobile? (1 point)
• guidance
• control
• transmission
• suspension
control
why?
The gas pedal belongs to the control subsystem of an automobile because it allows the driver to control the speed and acceleration of the vehicle by regulating the amount of fuel going into the engine. By pressing the gas pedal, the driver can increase the engine's RPM and speed up the vehicle, thereby controlling its movement. This makes the gas pedal a key component of the control system that allows the driver to manipulate the vehicle's behavior.