Topics: 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:
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Independent and Dependent Clauses › ViewUnless we get rain soon, the flowers will die.
A. dependent
B. independent
Simple Present Tense with Adverb of Frequency › View
What is the adverb of frequency in this sentence: ‘She always goes to the gym.’?
A. never
B. sometimes
C. often
D. always