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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
propellants, hydrocarbons, and biocides in the atmsophere
C
all of the answers are correct
D
maritime accidents or ships dumping bilge water,ballast and garbage
2) about 44%
A
agricultural and industrial run off
B
propellants, hydrocarbons, and biocides in the atmsophere
C
maritime accidents or ships dumping bilge water,ballast and garbage
D
glacial melting releasing paleopetroleum wasters
3) heavy metals include
A
all of the answers are correct
B
cadmium
C
mercury
D
lead
4) heavy metals affect organisms by
A
increasing reproductive behavior
B
decreasing reproductive behavior
C
interfering with cellular metabolism and accumulating in tissues
D
giving them a foul taste
5) heavy metal risks to humans include
A
behavioral disorders
B
birth defects
C
brain damage
D
all of the answers are correct
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
bacteria convert them into stable forms
D
they naturally form there
7) synthetic organic chemicals concentrate into dangerous levels from very low concentrations
A
by attracting each other as charged ions
B
all of the answers are correct
C
through bio magnification at each trophic level
D
due to evaporation in tide pools
8) the major sources of oil pollution in the sea include
A
runoff from parking lots and streets
B
all of the above
C
incomplete combustion in automobiles
D
petroleum industry activities and runoff from parking lots and streets
9) oil affects the environment by
A
all of the above
B
changing organisms behaviors
C
sinking to the bottom
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
false
B
true
*select an answer for all questions
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