[ 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
Random Topics:
Singular and Plural NounsAsking and Giving OpinionComparativeAdjective vs AdverbLinking Verbs & Helping VerbsTypes of Sentence StructureFrequencyAdverbGrammar Comma UsageActive vs. Passive VoiceOther quiz:
Past Continuous vs Past Simple › ViewWhat word is missing? NEGATIVE: She ____________ talking to her mom, she was talking to her dad.
A. Didn’t
B. Weren’t
C. Hadn’t
D. Wasn’t
Vocabulary › View
We’re going on a guided _________ of the historical landmarks in the city.
A. tourist attractions
B. sound
C. tour
D. continent