January 2020 Earth Science Regents Questions 21-30 Question Preview (ID: 54996)

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Which agent of erosion is primarily responsible for the formation of the barrier islands along the south shoreline of Long Island, New York?

a) wave action

b) wind

c) glacial ice

d) mass movement

A glacial moraine is best described as

a) unsorted sediment directly deposited by a glacier

b) sorted sediment deposited as the glacier melts

c) a body of water formed by a retreating glacier

d) an elongated hill composed of sand and formed by a retreating glacier

Which medium-grain-sized metamorphic rock is composed mostly of the same mineral as the sedimentary rock limestone?

a) gneiss

b) marble

c) quartzite

d) schist

What is the approximate minimum stream velocity required to transport the smallest particles of sand?

a) 1.0 cm/s

b) 0.7 cm/s

c) 0.3 cm/s

d) 0.1 cm/s

The Tug Hill region of New York State is geologically classifi ed as a plateau because this region has relatively

a) high elevation and deformed bedrock

b) low elevation and deformed bedrock

c) high elevation and horizontal bedrock

d) low elevation and horizontal bedrock

Why are P-waves received, but S-waves are not received by seismic stations located on the opposite side of Earth from an earthquake epicenter?

a) S-waves travel slower than P-waves.

b) S-waves travel faster than P-waves.

c) Earth’s inner core absorbs S-waves.

d) Earth’s outer core absorbs S-waves.

Compared to the crust at A, the crust at B is

a) thinner and less dense

b) thinner and more dense

c) thicker and less dense

d) thicker and more dense

These rock layers indicate evidence of past crustal movement based on the principle of

a) down-warping

b) crosscutting

c) original horizontality

d) contact metamorphism

What is the most probable age of the ocean floor at location X, if the Pacific Plate and the Juan de Fuca Plate are moving at the same rate?

a) 10 million years

b) 8 million years

c) 6 million years

d) 4 million years

Scientists infer that this impact contributed to the extinction of

a) trilobites

b) gastropods

c) many land plants

d) placoderm fish

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