k;k Q&A
Heavy metals include... - (correct answer)lead,mercury, cadium,copper
Heavy Metals affect organisms by... - (correct answer)interfering with cellular
metabolism, and accumulating in the tissues
Heavy metal risks to humans include... - (correct answer)Brain damage, behavioral
disorders, birth defects
Synthetic organic chemicals can persist in the marine enviroment because... - (correct
answer)bacteria and other processes dont break them down
Synthetic organic chemicals concentrate int0 dangerous levels from very low
concentrations - (correct answer)through biomagnification at each trophic level
The major sources of oil production in the sea include... - (correct answer)Petroleum
industry activities,runoff from parking lots and streets, incomplete combustion in
automobiles
Oil affects the environment by... - (correct answer)changing organisms behaviors,
contaminating food fish, sinking to the bottom
Refined oil is more of a hazard than a crude oil because refined adds toxic chemicals
and concentrates biologically active compounds - (correct answer)True
It is sometimes better to leave an oil slick alone because its to expensive to clean it
up.... - (correct answer)False, it sometimes better to leave an oil slick alone because
clean up processes can be more damaging to the oil
Radioactive materials primarily get into the oceans - (correct answer)By intentional
dumping
Heavy metals include... - (correct answer)lead,mercury, cadium,copper
Heavy Metals affect organisms by... - (correct answer)interfering with cellular
metabolism, and accumulating in the tissues
Heavy metal risks to humans include... - (correct answer)Brain damage, behavioral
disorders, birth defects
Synthetic organic chemicals can persist in the marine enviroment because... - (correct
answer)bacteria and other processes dont break them down
Synthetic organic chemicals concentrate int0 dangerous levels from very low
concentrations - (correct answer)through biomagnification at each trophic level
The major sources of oil production in the sea include... - (correct answer)Petroleum
industry activities,runoff from parking lots and streets, incomplete combustion in
automobiles
Oil affects the environment by... - (correct answer)changing organisms behaviors,
contaminating food fish, sinking to the bottom
Refined oil is more of a hazard than a crude oil because refined adds toxic chemicals
and concentrates biologically active compounds - (correct answer)True
It is sometimes better to leave an oil slick alone because its to expensive to clean it
up.... - (correct answer)False, it sometimes better to leave an oil slick alone because
clean up processes can be more damaging to the oil
Radioactive materials primarily get into the oceans - (correct answer)By intentional
dumping
