An allusion -- the writer is making a reference to another work or incident
factors that describe a coniferous forest are:
a.it is also called a 'TAIGA'
b. these forests provide soft wood
last but not the least.....
c. soft wood is used for making pulp from which paper is made
D. The plane flew through many clouds. "Through" is the preposition, so "through many clouds" is the prepositional phrase.
Aquamarine, audition, century,factory, transportation