Frozen dew forms when: a. water vapor changes phase directly to ice
b. frost forms, then the dew point falls below freezing
c. liquid dew forms, then the temperature falls below freezing
d. water freezes directly to hygroscopic condensation nuclei in the lower atmosphere

The incident command system (ics) is: a. most applicable to the management of complex incidents that extend over many hours or days. b. a military system used in domestic incidents to ensure command and control of federal resources. c. a standardized management tool for meeting the demands of small or large emergency or nonemergency situations. d. a relatively new approach created based on the lessons learned from hurricane harvey disaster operations.