It is c because an adjective is a word that figures out a noun or pronoun,a conjunction is a word that joins words, phrases, or clauses,and a adverb is a <span>word that may modify a verb, an adjective.</span>
An aurora, white and colored lights, are located in the polar regions.
The answer is
C. To introduce a list of items following an independent clause
Creating insects and birds creates a cycle between two living species, as we know that birds eat insects and insects eat birds. The god would create them for the reason that they would help to clean and make interests to the environment.
Assuming the underlined word is "momentous", the correct answer would be: D) Significant
Momentous <em>def</em>: Of great significance or importance in having bearing on future events.
Some synonyms of the word "momentous": significant, important, epoch-making, apocalyptic, historic, critical, crucial, vital, serious, weighty, etc.