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a) the great rivers of North America.
b) the importance of shapes.
c) the shape of North America.
d) the sources of rivers in North America.
The St. Lawrence River is full of water from -
a) the Hudson Bay.
b) the Atlantic Ocean.
c) the Great Lakes.
d) the Arctic Ocean.
Water that flows into the Great Lakes flows on into the -
a) Atlantic Ocean.
b) Hudson Bay.
c) Gulf of Mexico.
d) Pacific Ocean.
17. Which one of these is not a shape?
a) box
b) cone
c) flow
d) globe
Text B. Many mountains and hills in the West are dead volcanoes. In Arizona there are thousands of them, separated from one another on the otherwise flat land. There are also volcanoes in the West that are not dead but are sleeping. Who knows when one might blow apart or shoot rock and ashes into the air? Not long ago, the entire side of Mount Saint Helens was blown away - rock and soil were thrown into the air, and forests were blown flat.
This story is mostly about -
a) Mount Saint Helens.
b) volcanoes.
c) volcanoes in the West.
d) dead volcanoes.
A sleeping volcano -
a) rumbles while it sleeps.
b) might wake up some day.
c) will always sleep.
d) will surely awaken.
20. "Dead" in this story means -
a) is sleeping.
b) makes no sound or movement.
c) is cold.
d) will never blow up again.
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