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What is the principle of superposition? Within a sequence of rock layers formed at Earth's surface, rock layers lower in the sequence are older.
Which principle of relative age dating is important for determining the relative age of igneous rock that has intruded into overlying rock?
If a sequence of sedimentary units is cut by a fault, what does the principle of cross-cutting relationships tell a geologist?
Which of the following describes the principle of original horizontality? View Available Hint(s)for Part C Inclusions within a sedimentary rock
An igneous dike cuts through limestone, but not through the overlying sandstone. Which of the following statements is most accurate?
Which of the following statements best describes how paleontology contributes to the understanding of Earth's past?
Question: Which of the following statements best describes the significance of the Permian extinction?
Question: If a rock contains ten different kinds of fossils, which of the following must be true?
Seismologists use a logarithmic scale to measure the strength of an earthquake. Based on this scale, which of the following statements is correct?
Question: Which of the following is an accurate description of nonconformity?
Some earthquakes shake the ground violently, whereas others can barely be felt. Seismologists have developed different scales
Seismic waves cause rock to vibrate in different ways. Waves that cause particles of material to move back and forth parallel to the direction
Question: How is the geologic time scale related to the fossil record?
The rocks steeply dip eastward, which suggests that these rocks have been uplifted and deformed.
Question: Which of the following statements best describes the role of mass extinctions in Earth's history?
Which principle or law of geology states that in a sequence of undeformed sedimentary rocks, each bed is older than the one above?
In a climate other than a tropical rainforest, would the limestone in this model be a good candidate for construction stone?
The storm-disrupted layer identified in this model at annotation #1 contains abundant fossils (bioclasts) as evidence of storm wave action.
Question: Which of the following statements best describes the purpose of index fossils in the fossil record?
Which one of the following solid objects are the oldest in the solar system, dating back 4.55 billion years ago?
Question: How do fossils contribute to the reconstruction of Earth's history?
Question: Which of the following is one of the significant environmental challenges the Galapagos Islands faces?
Question: Choose the statement that best defines the Palmer Drought Severity Index.
What are some Research internet resources that have free public data, including census and/or geoscience data.
The 1995 Kobe earthquake (Mw 6.9) and the 2011 Tohoku earthquake (Mw 9.0) are examples of which of the following groups of earthquakes?