What two dissolved chemicals do ocean creatures use to form their shells?
Cómo hacer una concha marina - ¡Sólo añade agua!

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Geography, Science
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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
Potassium and Nitrate
Magnesium and Sulfate
Calcium and Carbonate
Sodium and Chloride
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does calcium carbonate dissolve more easily at greater ocean depths?
The pressure is higher at greater depths.
There is less calcium and carbonate saturation.
The water is more acidic at greater depths.
The water is warmer at greater depths.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the solvent depth when the concentration of calcium carbonate in the ocean is high?
It causes shells to dissolve faster.
It moves closer to the surface.
It remains unchanged.
It moves to a greater depth.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does an increase in atmospheric carbon dioxide affect carbonate levels in the ocean?
Carbonate levels fluctuate randomly.
Carbonate levels remain the same.
Carbonate levels decrease.
Carbonate levels increase.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the potential long-term effect of increased carbon dioxide on marine life?
Increased shell formation
Enhanced coral growth
Stable marine ecosystems
Barren ocean surfaces
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