The microorganisms that were a major component of the Cenozoic marine community were the
________, although some large forms have also been documented. Fill in the blank(s) with the appropriate word(s).
foraminifera
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Geologists measure earthquakes on the moment magnitude scale. This scale measures
A) the amount that the ground shakes during an earthquake. B) the Richter magnitude of an earthquake. C) the depth of the earthquake focus. D) the energy released by an earthquake.
Most of the exploitable oil fields are not easily accessible anymore
Indicate whether the statement is true or false
Which of the following is NOT a typical characteristic of a volcano?
A. conical-shaped hill B. fresh ash layers or lava flows covering part of a conical hill C. flat-topped mesa with eroded volcanic rock cliffs at that top D. crater at or near the top of a hill
How do engineers define soil?
A) solid Earth material that has been altered by physical, chemical, and biological processes B) solid Earth material strong enough to support structures C) solid Earth material that can be removed without blasting D) solid Earth material that is generally fertile