[ Science ]
What is the level of nitrogen in the atmosphere of the Earth?
A. 70%
B. 15%
C. 7%
D. 5%
E. 2%
Random Topics:
Adverbs by TypeConjunctions & Cohesive DevicesContrastive ConjunctionModals and Active and Passive VoiceUnscramble SentenceShould and Shouldn'tPassive Voice - Past SimpleSimple Past Irregular & NegativeSimple Future TensePresent and Past Simple PassiveOther quiz:
Grammar and Punctuation › ViewWhat punctuation mark is used to indicate a question?
A. Semicolon
B. Comma
C. Question mark
D. Exclamation mark
Adverbs of How Something is Done › View
Which adverb means to do something in a relaxed way?
A. boldly
B. hastily
C. gently
D. casually
Grammar › ViewIdentify the interjection in the following sentence: “Wow, what a beautiful sunset!”
A. Wow
B. what
C. beautiful
D. sunset
Simple Past/Past Progressive › View
I believed my friend when she ____ she was sorry.
A. were saying
B. was said
C. said
D. was saying