Assertion: dry ice's temperature | /r/CapableOf | approach −40 °c
Facets:
value: due to air with slightly higher moisture
type: CAUSE
Source sentences:
text: So-called "diamond dust", also known as ice needles or ice crystals, forms at temperatures approaching −40 °C (−40 °F) due to air with slightly higher moisture from aloft mixing with colder, surface-based air.