Topics: Vocabulary
What is the the principle that in undisturbed rock layers, the oldest rocks are on the bottom?
A. tilt
B. principle of superposition
C. uplifting
D. principle of horizontality
Select your answer:

Random Topics:
Prepositions & Modal VerbsWish clauseSimple Past TenseVerb Tenses and Sentence StructurePassive Voice, Question Tag, PrepositionsSimple Present Negative and QuestionTenses and FoodApostrophes and Quotation MarksVerb IdentificationQuantifiers and AdjectivesOther quiz:
Grammar › ViewI am ______ to school now.
A. walking
B. walk
C. walks
D. walked
Conjunctions › View
Is the Empire State Building in New York _____ London?
A. and
B. but
C. or
D. yet
