Which action would most likely reduce water pollution?(1 point)
Responses
promoting the use of oil and gas
promoting the use of oil and gas
initiating efforts to remove trash from oceans
initiating efforts to remove trash from oceans
eliminating laws and regulations on industrial waste
eliminating laws and regulations on industrial waste
removing the ban on chlorofluorocarbons
11 answers
initiating efforts to remove trash from oceans
Which nutrients are most responsible for eutrophication?(1 point)
Responses
nitrogen and phosphorus
nitrogen and phosphorus
nitrogen and oxygen
nitrogen and oxygen
carbon and phosphorus
carbon and phosphorus
carbon and oxygen
Responses
nitrogen and phosphorus
nitrogen and phosphorus
nitrogen and oxygen
nitrogen and oxygen
carbon and phosphorus
carbon and phosphorus
carbon and oxygen
nitrogen and phosphorus
Which phrase best defines a dead zone?(1 point)
Responses
a region that has successfully remediated the impacts of pollution
a region that has successfully remediated the impacts of pollution
a region that lacks adequate sewage treatment
a region that lacks adequate sewage treatment
an area in a waterway where no plants or animals live
an area in a waterway where no plants or animals live
a waterway whose surface has no microorganisms
Responses
a region that has successfully remediated the impacts of pollution
a region that has successfully remediated the impacts of pollution
a region that lacks adequate sewage treatment
a region that lacks adequate sewage treatment
an area in a waterway where no plants or animals live
an area in a waterway where no plants or animals live
a waterway whose surface has no microorganisms
an area in a waterway where no plants or animals live
Scientists observe that iron compounds are able to bind to nutrients in waterways experiencing eutrophication. Which change will most likely occur if iron compounds are added to a lake with an overabundance of nutrients? (1 point)
Responses
More areas of hypoxia will occur in the lake.
More areas of hypoxia will occur in the lake.
Less sunlight will reach aquatic plants in the lake.
Less sunlight will reach aquatic plants in the lake.
Fewer microorganisms will grow on the surface of the lake.
Fewer microorganisms will grow on the surface of the lake.
More contaminated water will reach the lake.
Responses
More areas of hypoxia will occur in the lake.
More areas of hypoxia will occur in the lake.
Less sunlight will reach aquatic plants in the lake.
Less sunlight will reach aquatic plants in the lake.
Fewer microorganisms will grow on the surface of the lake.
Fewer microorganisms will grow on the surface of the lake.
More contaminated water will reach the lake.
Less sunlight will reach aquatic plants in the lake.
Which phrase best describes fracking?(1 point)
Responses
using water and chemicals at high pressure to open up fissures to access mineral resources
using water and chemicals at high pressure to open up fissures to access mineral resources
removing the top layer of an ore-bearing mountain to access mineral resources
removing the top layer of an ore-bearing mountain to access mineral resources
removing the top layer of an ore-bearing mountain to access oil and gas resources
removing the top layer of an ore-bearing mountain to access oil and gas resources
using water and chemicals at high pressure to open up fissures to access oil and gas resources
Responses
using water and chemicals at high pressure to open up fissures to access mineral resources
using water and chemicals at high pressure to open up fissures to access mineral resources
removing the top layer of an ore-bearing mountain to access mineral resources
removing the top layer of an ore-bearing mountain to access mineral resources
removing the top layer of an ore-bearing mountain to access oil and gas resources
removing the top layer of an ore-bearing mountain to access oil and gas resources
using water and chemicals at high pressure to open up fissures to access oil and gas resources
using water and chemicals at high pressure to open up fissures to access oil and gas resources
Which environmental problem would impact most Minnesotans equally?(1 point)
Responses
toxicity of agricultural pesticides
toxicity of agricultural pesticides
climate change
climate change
water pollution from fracking
water pollution from fracking
disruption of wildlife from open-pit mines
Responses
toxicity of agricultural pesticides
toxicity of agricultural pesticides
climate change
climate change
water pollution from fracking
water pollution from fracking
disruption of wildlife from open-pit mines
climate change