Why did the following change occur ? the snow that covered the ground all winter began to melt, temperature rose, and flowers started to bloom.
a) days became shorter b) earth's tilt on its axis shifted. c) the sun's rays became more concentrated d) earth completed one revolution

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.