[ 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
Select your answer:

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Grammar speak,talk,say,tellConditional Sentence Type 2GerundsRelative PronounQuantifiers & Modals of ObligationSubject, Object, Possessive Pronoun and Possessive AdjectivesGrammar - PunctuationFirst Conditional, Future Time ClausesModal and Modal PerfectModals for RecommendationsOther quiz:
Vocabulary › View___________ is a tongue twister (Sally sells sea shells by the sea shore)
A. Alliteration
B. Exercises with your tongue
C. Paraphrase
D. Hyperbole
Modals › View
You ____ see the doctor if you don’t feel well.
A. should
B. might
C. can
D. would
