A system is the result of two or more types of tissue organizing in such a way as to accomplish a task that tissue cannot do on their own

Which of the following is an obstruction that may exist in a water supply distribution system?

A. Incorrect hydrant size B. Decreased friction loss C. Sedimentation deposits D. Malfunctioning hydrants

The initial stage of grief exhibited by people coping with loss is the __________ phase

Fill in the blank(s) with the appropriate word(s).