[ 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 › ViewMy cats _________ twice a day.
A. eats
B. eating
C. eat
D. is eating
Grammar › View
In those days , they____________ milk.
A. used to drink
B. are used to drinking
C. used to drinking
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