Question

which of the following things is impalpable?○ a river○ a flower○ a puppy○ a sunsetanalyze the textinstructions: identify the choice that best answers the question.

Explanation:

"Impalpable" means unable to be touched or physically felt. A river, flower, and puppy are all tangible, physical things that can be touched. A sunset is a visual phenomenon, a combination of light and sky, that cannot be physically touched.

Answer:

a sunset