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Earth Science - New York Regents August 2005 Exam


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: Multiple choice

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25.

Beneath which surface location is Earth’s crust the thinnest?
(1) East Pacific Ridge
(2) the center of South America
(3) Old Forge, New York
(4) San Andreas Fault

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26.

On which weather map do the front symbols best represent the direction of movement of the cold front and warm front associated with the low-pressure system shown on the map?

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27.

The graph below shows the different velocities of P-waves and S-waves through Earth’s interior.

Which cross section best shows the inferred thickness of Earth’s interior layers that cause these different velocities?

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28.

The diagram below represents the pattern of normal and reversed magnetic polarity and the relative age of the igneous bedrock composing the ocean floor on the east side of the Mid-Atlantic Ridge. The magnetic polarity of the bedrock on the west side of the ridge has been deliberately left blank.

Which diagram best shows the magnetic pattern and relative age of the igneous bedrock on the west side of the ridge?

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29.

Which conditions normally can be found in Earth’s asthenosphere, producing a partial melting of ultramafic rock?
(1) temperature = 1,000°C; pressure = 10 million atmospheres
(2) temperature = 2,000°C; pressure = 0.1 million atmospheres
(3) temperature = 3,500°C; pressure = 0.5 million atmospheres
(4) temperature = 6,000°C; pressure = 4 million atmospheres

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30.

Which color of the visible light spectrum could have a wavelength of 5.5 × 10−5 centimeter?
(1) green
(2) orange  
(3) yellow
(4) red

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31.

Compared to the climate conditions of dry inland locations, the climate conditions of locations influenced by a nearby ocean generally result in
(1) hotter summers and colder winters, with a larger annual range of temperatures
(2) hotter summers and colder winters, with a smaller annual range of temperatures
(3) cooler summers and warmer winters, with a larger annual range of temperatures
(4) cooler summers and warmer winters, with a smaller annual range of temperatures

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32.

Biotite mica and muscovite mica have different chemical compositions. Compared to the magma from which biotite mica forms, the magma from which muscovite mica forms is usually
(1) more mafic and less dense
(2) more mafic and more dense
(3) more felsic and less dense
(4) more felsic and more dense

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33.

An increase in the amount of which atmospheric gas is thought to cause global climate warming?
(1) oxygen
(2) hydrogen
(3) nitrogen
(4) carbon dioxide

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34.

The diagram below shows a drill core of sediment that was taken from the bottom of a lake.

Which types of rock would most likely form from compaction and cementation of these sediments?
(1) sandstone and limestone
(2) shale and coal
(3) breccia and rock salt
(4) conglomerate and siltstone

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35.

Which intrusive igneous rock could be composed of approximately 60% pyroxene, 25% plagioclase Feldspar, 10% olivine, and 5% amphibole?
(1) granite
(2) rhyolite
(3) gabbro
(4) basalt

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