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

Question

Responses

The two metals have opposite charges.
The two metals have opposite charges.

The two metals restrict the flow of electrons.
The two metals restrict the flow of electrons.

The two metals are not reactive to chemicals inside the battery.
The two metals are not reactive to chemicals inside the battery.

The two metals are the same.

Answer 1

The two metals have opposite charges.

Answer 2

Which type of transportation system is best for moving a large amount and wide variety of goods?(1 point)
Responses

rail
rail

air
air

maritime
maritime

road

Answer 3

maritime

Answer 4

Which mode of transportation is best for ensuring fastest delivery?(1 point)
Responses

rail
rail

road
road

air
air

maritime

Answer 5

air

Answer 6

How does combustion occur in a gas engine of a car?(1 point)
Responses

Carbon dioxide and gasoline are compressed in the engine, and the fuel spontaneously ignites.
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 the fuel spontaneously ignites.

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 a spark plug ignites the fuel.

Oxygen and gasoline are compressed in the engine, and a spark plug ignites the fuel.

Answer 7

Oxygen and gasoline are compressed in the engine, and a spark plug ignites the fuel.

Answer 8

The gas pedal belongs to which subsystem of an automobile?(1 point)
Responses

suspension
suspension

guidance
guidance

control
control

transmission

Answer 9

control