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