[ Geography ]
The Core of the earth is made up of…
A. Mainly of iron in the liquid form
B. Mainly of nickel in the liquid form
C. Both iron and silica in the liquid form
D. Both iron and magnesium in the plastic state

Random Topics:
Prepositions of Place and TimeModals and ConditionalsVerb AgreementConjunctions, Interjections and Sentence TypeConnectorsPresent Perfect ContinuousConnectivesDo not- Does notPrepositions of MovementVocabulary and IdiomsOther quiz:
Articles & Preposition › ViewWhere are you going? A: I’m off to ____ airport.
A. a
B. the
C. No Article
Tenses › View
_____ tea is too sweet for me.
A. a
B. an
C. the
D. –