Identifying the age of layers of rock also fixes the ...

[ Vocabulary ]

Identifying the age of layers of rock also fixes the age of fossils that are within those layers. What does fixes mean?

A. Causes
B. Hides
C. Establishes
D. Casts doubt on

Select your answer:

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a, an, the, zero article Modals Pronoun Antecedent Agreement Preposition Form Gerund, Participle, Infinitive, or Appositive Grammar - Punctuation Present/Past/Past Particple Grammar - Sentence Structure Present Simple and Past Continuous

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