A. primarily water
Social Studies, 12.11.2020 21:50 cheyennebrooke01
HELP PLZ
The outer core of the earth is primarily made of
A. primarily water
B. liquid lava
C. molten metal
D. unknown materials
2. The Appalachian Mountains are approximately 480 million years old, making them the oldest mountains in North America. The Appalachian Mountains are folded mountains that were once as high as 20,000 feet. Now they reach to about 3,000 feet. How did these mountains form?
Folded mountains occur when two plates of the Earth's crust push against each other at a convergent plate boundary.
Folded mountains occur when two plates of the Earth's crust push against each other at a convergent plate boundary.
A. Folded mountains are the result of many volcanoes erupting all at the same time..
b. Folded mountains occur when two plates of the Earth's crust separate at divergent plate boundaries.
c. Folded mountains form over millions of years as sediments are deposited and build up.
3. The electric field of the earth is produced in part by the flow of hot liquid iron near the earth's core.
A. true
B. false
4. Virginia’s Blue Ridge Mountains were once among the tallest in the world, similar in altitude to the Himalayas of today. This would still be the case if not for the process of erosion.
A. true
b false
Answers: 2
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HELP PLZ
The outer core of the earth is primarily made of
A. primarily water
A. primarily water
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