What do we call each step that makes up a reaction mechanism? A. reaction step
B. individual step
C. Elementary Step
D. reactant step

Introduction of drugs into the gastrointestinal tract is a form of administration. a. enteral b. topical c. parenteral d. inhalation

According to the passage, which of these is true about gray water systems? a) gray water systems use plants that require less water. eliminate b) gray water systems require the use of less fossil fuels. c) gray water systems reduce the amount of fresh water used. d) gray water systems reduce the amount water used by shower heads.

Explain how compaction is important in the formation of coal.