Water Is Abundant Over Most of the Earth's Surface, and Within

Multiple Choice

Water is abundant over most of the earth's surface, and within the temperature range usually encountered there, it is liquid. Water also is a powerful solvent. Consequently, water is an excellent medium for the chemical processes of living systems. It is hard to imagine life having any other basis than water. Robert E. Ricklefs, The Economy of Nature, 5^th ed.

A) Argument; conclusion: It is hard to imagine life having any other basis than water.
B) Nonargument.
C) Argument; conclusion: Water is abundant ... it is liquid.
D) Argument; conclusion: Water is an excellent medium ... living systems.
E) Argument; conclusion: Water also is a powerful solvent.