The word down is a noun in that sentence.
adjective
"programs" is a noun in that sentence.
The word jacket is a noun. It is a piece of clothing worn outdoors.
In the following sentence, which word is an adverb used to modify a verb? The young girl quickly learned the rules of the board game.
It is an adverb. Obviously.
Snow in this sentence is the verb.
The subject!
You can use the word mention in the following sentence. I wish that he would mention me in his speech.
Dog
Dangerous is an adjective.
Yes, if the sentence following the question mark and closing speech marks is the start of a new sentence.
noun
adjective
Adverb
To is a preposition in that example.
Snow is a noun in that example.
Everyone thought he was eloquent during his graduation speech.