Which of the Earth’s spheres is made up of the gases and air that surround the Earth and sustain life? A. the hydrosphere
B. the lithosphere
C. the biosphere
D. the atmosphere

Please select the best answer from the choices provided
A
B
C
D

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.