The principle of lateral continuity proposes that sedimentary rock layers continue in all directions until they grade into a different rock type or thin out on the edge of a basin is important because ________
A) it provided a way to recognize if rocks had been deformed
B) it provided an explanation how rocks behave in a depositional setting
C) it allowed geologists to correlate sedimentary rock units over large distances
D) it showed that catastrophism could not explain the flat layers of the earth
Ans: C) It allowed geologists to correlate sedimentary rock units over large distances
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Which of the following is an example of a chemical change?
A. gasoline being used in the engine of a car producing exhaust B. water freezing into ice crystals C. a piece of metal expanding when heated, but returning to original size when cooled D. aftershave or perfume on your skin generating a smell E. breaking a glass window
One criticism of cost/benefit analysis is the subjectivity in deciding who should judge the value of a project's costs and benefits.
Answer the following statement true (T) or false (F)
The severity of an earthquake, referred to as its ____, is a measure of its seismic waves.
A. epicenter B. focus C. magnitude D. ridges E. valleys
What is NOT a drawback of hydropower?
A) The electricity generated is incredibly expensive (more than coal, oil, and nuclear power). B) It is disruptive to the natural environment. C) It can increase diseases. D) Silting of reservoirs can occur, which reduces the potential to produce electricity. E) Downstream users of rivers might resent upstream countries damming a river.