Bioremediation has been particularly effective in marine ecosystems in the clean-up of ________

A) heavy metals
B) hydrocarbons
C) nitrates
D) pesticides
E) thermal effluents


B

Environmental & Atmospheric Sciences

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Which of the following is a way in which water weakens earth materials?

A. absorption/adsorption B. weight of water C. ability to dissolve cement D. all of the choices are correct

Environmental & Atmospheric Sciences

The zone of a glacier in which additions of ice exceed losses is called ____

a. the zone of ablation b. the zone of accumulation c. the zone of wastage d. the snowline e. isostatic rebound

Environmental & Atmospheric Sciences

If, in an inverse estuary, the inflow of seawater of 35-percent salinity is 21 units per year and the outflow is 18 units per year, the salinity of outflowing water is ________.

A. 35 percent B. 41 percent C. 30 percent D. 38 percent E. 65 percent

Environmental & Atmospheric Sciences

The asthenosphere is a mantle zone of low seismic wave velocity that behaves in a ductile manner.

a. true b. false

Environmental & Atmospheric Sciences