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Plate Tectonics

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Seamus Toy

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4y ago
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Cards in this guide (13)
The first major scientific exploration of the ocean was performed in 1872 by the Portuguese ship the HMS Columbia

false

This is also known as a constructive boundary

Divergent is also known as a constructive boundary.

Material that is about 180 million years old has been found in this layer of the crust

oceanic crust

Approximately what fraction of a person's body weight is composed of water

2/3 or 65%

This is also known as a destructive boundary

convergent

Three of the four layers of this part of this crust are igneous material

Oceanic Crust

Steep-sided islands are sometimes formed by sea mounts

true

Results when underground water is heated by geothermal energy

geyser

Allows precipitation to slowly pass through and form groundwater reserves

semipermeable

Stalactites grow up from the bottom of a cavern floor due to deposit of minerals over time

False.

Approximately 90 percent of the communication amoug all of the nations of the world is acomplished by underwater cable. true or false

False. Approximately 90 percent of the communication among all of the nations of the world is not accomplished by underwater cable.

The Gutenberg Discontinuity is found beneath this layer of the lithosphere

The Gutenberg discontinuity is actually found at the base of the mantle, not the lithosphere.

This instrument is used to measure the intensity of an earthquake.

Seismometer

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