Questions & Answers about Den tredje bussen kommer.
Because Norwegian usually uses double definiteness when a noun is definite and has an adjective or ordinal in front of it.
So:
- buss = bus
- bussen = the bus
- den tredje bussen = the third bus
You need:
- den before the adjective/ordinal
- the definite ending -en on the noun
This is normal in Norwegian.
If there were no adjective or ordinal, you would usually just say bussen.