Why are sedimentary rocks important?
What will be an ideal response?
Sedimentary rocks make up about 75 percent of the Earth's outcrops. It is from these rocks that geologists determine much of Earth's history—from depositional environments, climate, and life. Many sedimentary rocks are also economic. Coal, iron, aluminum, manganese, and fertilizer are all mined from sedimentary deposits.
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How does entropy change as your closet gets messier day by day?
A. Decreases. B. Increases. C. Hangs steady. D. none of the above
A ________ slide is type of mass wasting process where the surface of rupture is a concave-upward curve and descending material exhibits downward and outward motion
A) translational B) fall C) rotational D) horizontal
When an active cold front overtakes a warm front, a(n) ________ front forms
Fill in the blank(s) with correct word
Which of the following is true of the chemical composition of seawater?
A) The highest salinity values of seawater are found near landmasses and at higher latitudes. B) The chemical properties of seawater show very little latitudinal variability, though some minor variability with depth. C) Eighteen elements account for 75% of the dissolved matter in seawater. D) Samples of ancient seawater suggest a great deal of chemical variation over the Earth's history. E) Seawater contains dissolved gases, suspended and dissolved organic matter, and many trace elements.