Here's why:
* The sentence asks a question about an action. "Does it snow?" The action is "snowing."
* "Snow" is the action word in the sentence. It describes what the subject (it) does.
Here's why:
* The sentence asks a question about an action. "Does it snow?" The action is "snowing."
* "Snow" is the action word in the sentence. It describes what the subject (it) does.