Which sentence contains a participial phrase with an embedded clause? a. running, giraffes look like something that was designed in a bad dream. b. running when they heard the gunshots, the giraffes fled to safety. c. tired and hot, they stopped when they found water.

Sentence (b) contains a participial phrase with an embedded clause.

The participial phrase is “Running when they heard the gunshots” which has the function of an adjective; that is to say, it modifies a noun (“giraffes”). The embedded clause is “when they heard the gunshots”. It is a clause inside the participial phrase.

as much wood as a woodchuck could chuck if a woodchuck could chuck wood.

sadly it cannot chuck wood