[ Geography ]
Which of the following is the most abundant element on the earth’s crust?
A. Iron
B. Oxygen
C. Silicon
D. Nitrogen

Random Topics:
Gerund after Prepositions and Certain Verbswill, be going to, would like toObject PronounsAdjectives & PrepositionsGrammar & VocabModals of AdviceTenses & PassivePunctuationsModals of ProhibitionSentence StructureOther quiz:
Grammar › ViewLook at _________ house over there. It’s beautiful.
A. this
B. that
Run-on Sentences › View
Daniel can’t stop thinking about girls nor does his friend Dino.
A. Run On
B. Comma Splice
C. Correct Sentence
D. None of the above.
There is nothing you can do about the situation, so it’s no use _____________ about it.
A. to worry
B. worrying
C. worry
D. to worrying
Vocabulary › View
What is the definition of ‘condemnation’?
A. punishment, strong disapproval
B. forgiveness
C. praise
D. reward
