What could cause this stream to begin carving into the landscape?
A) If base level is lowered, such as a drop in sea level
B) If the land is uplifted relative to the sea
C) If a change in climate weathers and weakens the rocks
D) All of these are correct.
D) All of these are correct.
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Answer the following statement(s) true (T) or false (F)
1. Politically, Europe is a very fragmented region. 2. Corn (maize) and the potato were unknown in Europe until after the voyages of discovery starting in the fifteenth century. 3. Under the nation-state idea, each nation can be free to govern itself only if it has its own state (country). 4. Since the 1800s, glaciers in alpine valleys have advanced. 5. The Danube River is Europe's longest and most used for transportation of freight.
The breakup of Pangaea and the formation of the Atlantic and Indian Oceans were responsible for the shrinking of the
Pacific Ocean.
a. True b. False
The first consistent ocean traders were the:
A) Egyptians B) Cretans C) Greeks D) Vikings
An increase in atmospheric CO2 concentrations will most likely lead to ____ in the troposphere and ____ in the upper atmosphere
A) warming; warming B) cooling; warming C) warming; cooling D) cooling; cooling