★25. It is usually easy to decide whether or not something is alive. Th is is because living things share many common attributes, such as the capacity to extract energy from nutrients to drive their various functions, the power to actively respond to changes in their environment, and the ability to grow, to diff erentiate, and to reproduce.

Determine which of the following passages are arguments. For those that are, identify the conclusion. For those that are not, determine the kind of nonargument.