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CH 16 Mb
Test Description: C
Instructions: Answer all questions to get your test result.
1) sources of pollution include
A
maritime accidents or ships dumping bilge water,ballast and garbage
B
propellants, hydrocarbons, and biocides in the atmsophere
C
agricultural and industrial run off
D
all of the answers are correct
2) about 44%
A
glacial melting releasing paleopetroleum wasters
B
maritime accidents or ships dumping bilge water,ballast and garbage
C
agricultural and industrial run off
D
propellants, hydrocarbons, and biocides in the atmsophere
3) heavy metals include
A
cadmium
B
mercury
C
all of the answers are correct
D
lead
4) heavy metals affect organisms by
A
interfering with cellular metabolism and accumulating in tissues
B
increasing reproductive behavior
C
decreasing reproductive behavior
D
giving them a foul taste
5) heavy metal risks to humans include
A
all of the answers are correct
B
behavioral disorders
C
birth defects
D
brain damage
6) synthetic organic chemicals can persist in the marine environment because
A
they naturally form there
B
bacteria convert them into stable forms
C
bacteria and other processed do not break them down
D
they bind irreversibly with water
7) synthetic organic chemicals concentrate into dangerous levels from very low concentrations
A
by attracting each other as charged ions
B
due to evaporation in tide pools
C
through bio magnification at each trophic level
D
all of the answers are correct
8) the major sources of oil pollution in the sea include
A
all of the above
B
incomplete combustion in automobiles
C
runoff from parking lots and streets
D
petroleum industry activities and runoff from parking lots and streets
9) oil affects the environment by
A
sinking to the bottom
B
changing organisms behaviors
C
contaminating food fish
D
all of the above
10) Refind oil is more of a hazard than crude oil because the refinement process adds toxic chemicals and concentrates biologically active compounds
A
false
B
true
*select an answer for all questions
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