[ Vocabulary ]
What is a fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found?
A. hypothesis
B. index fossil
C. jellyfish fossil
D. hippopotamus fossil
Select your answer:
Random Topics:
Comparative AdjectiveAntonymsModals TensesZero & First ConditionalParts of Speech and GrammarSimple Past TensesPossessive Adjectives & Possessive PronounsModal Verb, Passive VoicePassive to ActiveOther quiz:
Grammar › ViewHe never …………………. stressed about falling out with his sibling. He likes it.
A. is feeling
B. feel
C. felt
D. feels
Tenses › View
Identify the tense in the following sentence: The train leaves at 3 PM.
A. Past continuous
B. Present perfect
C. Present simple
D. Future perfect