Did reptiles or amphibians occur first?

Which statements are accurate about snow flakes

On nights when we see the new moon phase, what side of the moon are we seeing?

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.