Discuss the use of fossils to determine the depositional environment of a sedimentary stratum
Give examples of some fossils that imply a specific environment. What will be an ideal response?
The student should discuss the environments that specific fossils lived in. For example, corals
commonly are found in organic reef environments. Clams with thick shells commonly inhabited
shallow, turbulent water. Worms that produce trace fossils in the form of worm tubes commonly
lived in sediments below marine environments. Some fossil organisms lived exclusively in
continental, transitional, or marine environments.
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The Endangered Species Act requires that agencies add or remove species from the endangered list based on
A. biological factors alone. B. the instrumental value of the species. C. the intrinsic value of the species. D. the economic feasibility of saving the species. E. the practicality of saving the species.
Solar radiation is ________, as compared to the ________ emitted by Earth.
A) long-wave radiation; short-wave radiation B) short-wave radiation; long-wave radiation C) infrared radiation; visible light D) heat; electromagnetic radiation
What is a squall line? Where do squall lines tend to form?
What will be an ideal response?
A weight suspended from a spring bobs up and down over a distance of 1 m in 2 s. Its frequency is
A) 0.5 Hz. B) 1 Hz. C) 2 Hz. D) none of the above