No, downstream is an adjective or adverb. It means occurring downriver as determined by the direction of flow.
No, then is not a preposition. It is a conjuction.Than is a preposition.
At is a preposition. Anything that can be ___ the box is a preposition. For Example: At the box.
If is not a preposition. It is a conjunction.
If a preposition does not have an object, it is not a preposition. It is an adjective, adverb, or possibly a conjunction.
A prepositional phrase begins with a preposition and ends with an object of a preposition.
Downstream
the boat is going downstream.
No, then is not a preposition. It is a conjuction.Than is a preposition.
Living Downstream was created in 2010.
Oscar Downstream was created in 2001.
Oscar Downstream's population is 130.
Oscar Downstream's population is 2,009.
downstream and upstream
You should position your feet facing downstream if you have capsized and are floating on your back in a swift river current.
flew is not a preposition. sorry but through is a preposition
assembly upstream and downstream in ammetres
No, then is not a preposition. It is a conjuction.Than is a preposition.