What are the main parameters measured by Jack Barth's underwater gliders?
Dead Zones in the Ocean - Science Nation

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Science, Geography, Biology
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11th Grade - University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pressure, depth, and light
Temperature, pressure, and pH
Temperature, salinity, and dissolved oxygen
Wave height, current speed, and salinity
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a major human-induced cause of ocean dead zones?
Deforestation
Agricultural runoff
Overfishing
Oil spills
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do phytoplankton contribute to the formation of dead zones?
They consume all the oxygen in the water
They decompose and reduce oxygen levels
They increase water temperature
They block sunlight from reaching the ocean floor
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How might global warming affect ocean oxygen levels?
By causing oxygen levels to rise
By increasing oxygen production in the ocean
By slightly decreasing oxygen levels over time
By having no effect on oxygen levels
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role do smart robots play in oceanographic research?
They replace human divers in deep-sea exploration
They provide new insights into ocean conditions
They clean up ocean pollution
They monitor marine wildlife populations
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