Erosion is best defined as
a. the process of rock and soil being carried away by natural forces
b. the process of rock being broken down by chemical changes
c. the process of rock being weakened slowly over time
d. the process of rock being broken down by extreme temperatures

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.