Air composed of various gases including hydrogen, oxygen, and carbon ...

[ Grammar ]

Air composed of various gases including hydrogen, oxygen, and carbon dioxide. Which one is incorrect word/phrase?
A. Air
B. composed
C. various
D. and

Select your answer:
A B C D E

Random Topics:

Perfect Progressive Tenses Present Simple and Present Continuous Tense Unreal Uses of Past Tenses Subject, Object, Possessive Pronoun and Possessive Adjectives Adjectives or Adverbs Opinion / Agreement Adverbs of Time and Place Past Perfect or Past Perfect Continuous Preference & Future Tense GRAMMAR - Could / Could not

Other quiz:

Modal Verbs › View

He _______ be tired. He’s been studying all day.

A. must

B. can

C. should

Past Simple Tense › View

MY FRIENDS AND I ______ ENGLISH AND WE _____ A NEW GAME FOR PRACTICING.

A. STUDIED, INVENTED

B. INVENTED, STUDY

C. PRACTICED, INVENT

Grammar › View

Dona … This delicious food for us, 1 hour ago

A. Cooking

B. Cooked

C. Cooks

D. Cook

Mixed General Quiz › View

This ___ is about traffic safety.
a. lessen
b. lesson