[ Vocabulary ]
What is an ordered arrangement of rock layers that is based on the relative ages of the rocks and in which the oldest rocks are at the bottom
A. core
B. geologic column
C. hole
D. sink hole

Random Topics:
Modal Verbs and ConditionalsModals Posibility and ProbabilityComparatives ( adj/ adv)Preposition and AdjectiveLinking Words and PhrasesAdverbs and PhrasesSimple Verb TensesPast Perfect vs Past SimpleModals and PrepositionFuture Continuous TenseOther quiz:
Modals › ViewI ____ drink more water and exercise more so I can get in shape.
A. don’t have to
B. must
C. mustn’t
D. doesn’t have to
Tenses › View
Lucy ran into her classmates while she __________ for the groceries.
A. shopped
B. has shopped
C. was shopping
D. is shopping
Grammar › ViewI’d ___ you to reconsider your options.
A. advice
B. advise
Grammar › View
___ is bad for your health.
A. Smoking
B. Smoke
C. Smokes
D. Smoker
