The idea that is conveyed in both "dust of snow" and "who knows if the moon’s" is Nature can be mysterious.
Explanation:
The question is not complete since it does not provide the options to answer it, here are the options:
* Nature can be playful.
* Nature can be harsh.
* Nature can be annoying.
* Nature can be mysterious.
The poems "dust of snow" by Robert Frost and "who knows if the moon’s" by Edward Estlin C u m m i n g s describe different things in nature but with the same mystery tone, as frost talks about the interaction between a crow, nature and a human while C u m m i n g s talks about the moon, as they develop the descriptive lines they give incredible powers of wonder to the elements in their work.
The mice picked the lion up from the flower field, and managed to pull the lion out of the flower field so the lion wouldn't go into an eternal slumber.