Earth Science - January 2010

 21 Which element is most abundant in Earth’s crust?

(1) nitrogen     (3) oxygen
(2) hydrogen   (4) silicon

22 What elevation and bedrock structure are generally found in the Catskills?

(1) low elevation and horizontal sedimentary bedrock structure
(2) high elevation and horizontal sedimentary bedrock structure
(3) low elevation and folded metamorphic bedrock structure
(4) high elevation and folded metamorphic bedrock structure

23 The Mariana Trench was most likely created by the

 (1) convergence of the Pacific and Philippine Plates
(2) divergence of the Eurasian and Philippine Plates
(3) sliding of the Pacific Plate past the North American Plate
(4) movement of the Pacific Plate over the Hawaii Hot Spot

24 The landscape diagram below shows a fan-shaped pattern of sediment deposits.

The fan-shaped pattern of these sediments is most likely the result of deposition by

(1) glacial ice         (3) running water
(2) ocean waves    (4) prevailing winds

25 Four quartz samples of equal size and shape were placed in a stream. Which of the four quartz samples below has most likely been transported farthest in the stream?

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