Due to decreased light penetration, which area of rivers and streams will have less diversity of plant life?
a. the source
b. the mouth
c. the middle portion
d. none of the above

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.