
Environmental Impact on Baltic Sea
Interactive Video
•
Biology, Science, Geography
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary environmental challenge faced by the Baltic Sea?
Overfishing
Deforestation
Climate Change
Eutrophication
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which compounds in fertilizers contribute to the environmental issues in the Baltic Sea?
Nitrogen and Phosphorus
Sulfur and Chlorine
Carbon and Oxygen
Hydrogen and Helium
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do nutrients from fertilizers end up in the Baltic Sea?
Through ocean currents
Carried by rivers
Via atmospheric deposition
Through direct dumping
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What effect do algae and cyanobacteria blooms have on water clarity?
Increase clarity
No effect
Reduce clarity
Change color
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is sunlight important for the deeper layers of water?
For water purification
For heating the water
For photosynthesis
For fish visibility
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to dead algae and cyanobacteria after blooms end?
They float on the surface
They evaporate
They sink to the bottom
They dissolve in water
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of aerobic bacteria in the decomposition process?
They produce oxygen
They consume oxygen
They release nitrogen
They create nutrients
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What harmful substance is released by anaerobic bacteria during decomposition?
Ammonia
Hydrogen sulfide
Methane
Carbon dioxide
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are 'dead zones' in the context of the Baltic Sea?
Zones with high salinity
Oxygen-depleted areas
Regions with no sunlight
Areas with high biodiversity
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