Explain the use of fossils, ice cores, composition of sedimentary rocks, faults, and igneous rock formations found in rock layers as evidence of the history of the Earth and its changing life forms.
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Q 1/3
Score 0
Which BEST describes how ice cores are important to the study of geologic history?
60
They hold index fossils, which are used to date the different ice cores.
They follow the Law of Superposition, which gives reasons for extinctions of species
They show unconformities, which signal changes in deposition.
They contain evidence showing changes in the atmospheric composition over time.
Q 2/3
Score 0
What do earthquakes tell scientists about the history of the planet?
60
Earth's climate is constantly changing.
The oceans are much deeper today than millions years ago.
The continents of Earth are continually moving.
Dinosaurs became extinct about 65 million years ago.
3 questions
Q.
Which BEST describes how ice cores are important to the study of geologic history?
1
60 sec
8.E.2.2
Q.
What do earthquakes tell scientists about the history of the planet?
2
60 sec
8.E.2.2
Q.
How do scientists know that some mountains were once at the bottom of an ocean?
