Biology, 06.11.2020 02:50 brooklyn4932

In which situation is the principle of cross-cutting relationships useful in determining relative age? 1. A fault breaks through sedimentary layers.

2. Fossils of two different species are found in different rock layers.

3. Sedimentary layers form over millions of years in a lake bottom.

4.Lava flows form on top of one another from several eruptions over time.

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