[ Grammar ]
Which sentence uses the correct article?
A. A water vapor rises into the atmosphere.
B. An water vapor rises into the atmosphere.
C. The water vapor rises into the atmosphere.

Random Topics:
Grammar - must & have toCoordinating and Subordinating Conjunctions“Put” Phrasal VerbFirst Conditional & Future TensesParticiple AdjectivesVerb + PrepositionAdverbial ClausesGrammar - used toLinking Verb-ing form and the to-infinitiveOther quiz:
Tenses › View________( be/ you) hungry yesterday when your mom__________(bring) you a sandwich?
A. was, brought
B. are, brings
C. were, brought
Grammar › View
the throat
A. nasal cavity
B. pharyngeal cavity
C. oral cavity
D. tooth cavity
Grammar › ViewI get very _____ in winter when it’s cold and dark.
A. depressed
B. depressing
C. depress
Prepositions › View
Are you ready ……………a break?
A. to
B. for
C. in
D. at
