Name two features defined by the principle of cross-cutting relationships
A) convergent tectonic plates and faults
B) faults and dikes
C) dikes and sills
D) convergent tectonic plates and sills
Answer: B
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Organic farming ________
A) is presently limited to crops of fruits and vegetables B) began in the 1960s C) has no national standards in the United States D) and organically grown produce have not been supported by the European Union E) has become more challenging because of contamination by GM crop varieties
Liquefaction takes place in:
a. saturated clay b. unsaturated clay c. unsaturated sand d. saturated sand
The main difference between firn and glacial ice is:
a. firn has a bluer color. b. firn has a lower density. c. firn flows plastically. d. firn is older. e. firn is the German word for glacial ice.
The landform feature you have profiled is a drumlin. Drumlins are formed by glacial deposits and are streamlined in the direction of the glacier’s movement. They have a blunt end upstream, a tapered end downstream, and a rounded summit. Using your protractor, what direction was the glacier flowing?
Use the profile constructed in Figure 23.5 to answer the question and completion items.
What will be an ideal response?