Which group of words is a sentence fragment? a. the gray wolf is a social animal, traveling in families. b. adult male wolves typically weigh close to 100 pounds. c. the ancestor of the dog. d. the wolf is closest in appearance to a german shepherd.

a simple sentence must have at least one dependent clause.

answer: b) bubbling its way

explanation: an adjective is a word or a group of words that modifies a noun (name, thing, place,

in this case, the first option "to heartily enjoy" isn't describing or modifying any noun, the third option "hiking along merrily" is describing an action but it doesn't modify any noun, the last option "beside us" is just a preposition that indicates position, so the correct answer is the second one: "bubbling its way" because it is modifying the noun "stream".