The Mississippi River cuts through Silurian-aged dolomite between northwestern Illinois and eastern Iowa. Which is older? How do you know?
A) Dolomite;the principle of superposition
B) Mississippi; the principle of original horizontality
C) Dolomite; the principle of cross-cutting relationships
D) Mississippi; the principle of lateral continuity
Answer: C
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The extinction of a particular population from a given area (but not the entire species globally) is called ________
A) evolution B) extinction C) extirpation D) adaptation E) emigration
____________________ is a shock wave created by rapidly expanding air
Fill in the blank(s) with correct word
________ was the English engineer and canal builder who observed that sedimentary strata in widely separated areas could be identified by their distinctive fossil assemblages
A) Isaac Newton B) William Smith C) Charles Lyell D) Charles Darwin
Where in the Earth's atmosphere are chemicals most likely to be dispersed and present for a long period of time?
A) thermosphere B) mesosphere C) stratosphere D) ozone layer E) troposphere Read the accompanying scenario and answer the following questions. The human body has the capacity to do work or engage in energy each day. Answer the following questions about the energy you have as you run a triathlon.