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Chapter 10 Lesson 2 Quiz
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Figure 1
Use Figure 1 above. According to the principle of superposition, which statement is true about the sediment layers shown here?
Layer 2 is young relative to layer 3.
Layer 3 is young relative to layers 1, 2, and 4.
Layer 4 is old relative to layers 1 and 2.
Layer 2 is old relative to layers 3 and 4.
Clear selection
After a river erodes a valley through several layers of rock, the layers will be the same on each side of the valley, according to which principle?
superposition
original horizontality
lateral continuity
cross-cutting relationships
Clear selection
Which statement about relative ages is true?
Segments of included rock are older than the surrounding rock in which they are included.
Lower layers of rock are younger compared to upper layers.
Layers of rocks are all younger than a fault line that cuts through them.
A magma dike is older than all of the rocks into which it has intruded.
Clear selection
If an unconformity exists between two layers of fossils, which statement is true?
It could be hard to reconstruct the habitat that existed between the times when the fossils in each layer lived.
Some of the fossils in the lower layer might be the same age as some of the fossils in the upper layer.
The organisms fossilized in both the top and bottom layers lived in the same habitat.
The fossils in the top layer are older than those in the bottom layer.
Clear selection
Which is not a property of the organisms that have become useful index fossils?
The organisms existed for a relatively short period of time.
The organisms existed over a large area.
The organisms were abundant when they existed.
The organisms still exist today.
Clear selection
What science class hour are you in?
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