what is pollution - Correct Answer -humans intervention with nature-how our waste impacts the environment
-4 main types in the ocean
petroleum - Correct Answer -oil from the earth as a crude oil
-mostly the result of consumption
-extraction through wells/drills = 6% oceans pollution
crud...
Ocean 100 Exam 3 Questions & Complete
Solutions
what is pollution - Correct Answer -humans intervention with nature-how our waste impacts the
environment
-4 main types in the ocean
petroleum - Correct Answer -oil from the earth as a crude oil
-mostly the result of consumption
-extraction through wells/drills = 6% oceans pollution
crude oil - Correct Answer biodegradable-nature knows what to do with it and can use it because
organisms exist that eat those organisms
refining oil - Correct Answer -what humans do to oil to use it
-not biodegradable
-can cause cancer (toxic)
-ex: gas
transportation accidents - Correct Answer -these do pollute (22%) the ocean but take the blame for for
all other pollution
Human consumption - Correct Answer -contributes to 72% of oceans pollution (most)
Oil and population - Correct Answer -as population increases so does oil use
-oil = nonrenewable resource; 100 yrs until it RUNS OUT
Origin of fluid fossil fuels? - Correct Answer Ancient marine microscopic plankton/algae. transform to
shale-liquid petroleum-then becoming reservoir (which we drill to get)
, Order of a rocks substance (most dense---least dense) - Correct Answer water
oil
gas
Oil spill destruction - Correct Answer -oil coat on top of water
-animal and food chain disrupted
British Petroleum spill - Correct Answer -Gulf of Mexico in 2010
-oil rise to surface (bc its less dense) killing creatures for 4 months
-210mill gallons of oil spilled
-businesses sued BP
-largest spill in history
Exxon-Valdez oil spill - Correct Answer -Exxon Valdez Spill 1989 Alaska; first friend was drunk and steered
ship to right. -The cleanup of the oil spill did more damage, they tried to dissipate crude oil which they
didn't know was biodegradable
Biodegration - Correct Answer The process of biodegradable objects
ex: what happens when crude oil biodagrates
sewage - Correct Answer -treated and untreated gets dumped into the ocean
-ex: Imperial beach = more closures than any other beach in US because sewage from Imperial river (in
Mexico) that the currents bring to San Diego, river, and rain cause contaminated water
Heavy metals - Correct Answer -make its way into ocean bc industry, factories, etc
-mercury, lead, and water
-mercury and lead poisoning can lead to brain damage
ex: Minamata disease
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