?The 2005 Millennium Ecosystem Assessment concluded that human activities have degraded about 80% of the earth's ecosystem services.
Answer the following statement true (T) or false (F)
False
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Late Cretaceous to early Tertiary age, coal deposits were higher grade coal than the Pennsylvanian age deposits found in the eastern United States
Indicate whether the statement is true or false
Which of the following cannot cause a tsunami?
A) Faulting B) An underwater landslide C) A volcanic eruption D) A strike-slip fault on land E) All of these can cause a tsunami.
The bob at the end of a vertical spring vibrates up and down once every 2 s. Its frequency is
A. 2 Hz. B. more than 2 Hz. C. 0.5 Hz. D. none of the above
What are manganese nodules? How are they formed? Using the information regarding the usefulness
of these nodules, can you infer why the mining of these nodules could become a political issue? What will be an ideal response?