Most near shore sediments smell of hydrogen sulfide due to high levels of decomposing organic
matter. Indicate whether the statement is true or false.
ANS: F
Although there are some sediments that have the distinct smell of hydrogen sulfide, most are actually
odorless. Information can be found in the section Sediments Vary Greatly in Appearance.
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The gently sloping area adjacent to a continent is the ____________________. Fill in the blank(s) with the appropriate word(s)
Free convection is the mixing process related to:
A) buoyancy. B) conduction. C) subsidence. D) drying.
Which of the following is a disadvantage of clear-cutting?
A. low timber yield B. cannot reforest with fast-growing trees C. destroys and fragments wildlife habitats D. low profits in the short-term E. increases surface fires
Storing drinking water in a reservoir is beneficial because it ____.
A. reduces the dissolved oxygen level B. makes water treatment unnecessary C. allows suspended matter to settle D. allows the water to be ionized by the atmosphere E. increases populations of healthy coliform bacteria