January 2018 Earth Science Regents Questions 41-50 Question Preview (ID: 55050)

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If the climate of the Grand Canyon region became more humid, the rate of weathering and erosion would most likely

a) decrease, and the landscape features would become more rounded

b) decrease, and the landscape features would become more angular

c) increase, and the landscape features would become more rounded

d) increase, and the landscape features would become more angular

Approximately how many million years ago (mya) was the Coconino sandstone deposited as sediment?

a) 180 mya

b) 275 mya

c) 330 mya

d) 495 mya

Which agent of erosion is mainly responsible for the formation of the Grand Canyon?

a) running water

b) glacial ice

c) wind

d) wave action

Which sequence shows the relative ages of the gabbro, granite, and schist from oldest to youngest?

a) gabbro —› granite —› schist

b) gabbro —› schist —› granite

c) schist —› granite —› gabbro

d) schist —› granite —› gabbro

Which process most probably produced the irregularly shaped boundary between the limestone and the shale?

a) folding

b) faulting

c) contact metamorphism

d) erosion

The youngest rock unit shown in the cross section is

a) breccia

b) conglomerate

c) sandstone

d) shale

Position A represents the position of the Sun at another time of day during month Z. What is the time of day when the Sun is at position A?

a) 1 p.m.

b) 5 p.m.

c) 7 a.m.

d) 11 a.m.

For an observer in the Southern Hemisphere at 43° S latitude, the highest altitude of the noon Sun occurs when the Sun is above the

a) eastern horizon

b) western horizon

c) northern horizon

d) southern horizon

Which dates are represented by months X, Y, and Z?

a) X-February 1, Y-March 1, Z-April 1

b) X-May 1, Y-June 1, Z-July 1

c) X-August 1, Y-September 1, Z-October 1

d) X-November 1, Y-December 1, Z-January 1

Which characteristic of the Sun’s apparent daily path stays constant from month X to month Z?

a) locations of sunrise and sunset

b) altitude of the noon Sun

c) length of time that the Sun moves along its apparent path

d) rate of the Sun’s movement along its apparent path

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