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The appearance of banded iron layers in the rock record between 1.08 and 3.8 billion years ago reflect the alteration of oxygen-rich and oxygen-poor conditions in the ocean at that time. True or False
answered
Feb 14, 2020
Biology
middle-school
5
votes
62.4k
views
Why the sentence 'She loves flowers' not a transitive sentence?
answered
Feb 8, 2019
English
college
2
votes
83.0k
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