Marine Geology
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Piston1
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EARTH SCIENCE
Marine Geology
Hydrothermal Vent
Underwater chimneys host ecosystems thriving without sunlight, fueled by Earth's heat
2 days ago
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What key factor allows hydrothermal vent ecosystems to thrive without sunlight?
Photosynthesis by algae living near the vents
Chemosynthesis by bacteria using chemicals from vent fluids
Heat from the Earth directly provides energy to animals
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Stevek113
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GEOGRAPHY
Marine Geology
Submerged Rocks
Hidden underwater rocks shape coastlines and marine life in surprising ways
4 days ago
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How do submerged rocks contribute to coastal protection despite being navigational hazards?
They absorb pollutants from the water, cleaning the coastal environment.
They are primarily dangerous obstacles with no ecological benefits.
They act as natural breakwaters, reducing wave energy and preventing shoreline erosion.
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Stevek113
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GEOLOGY
Marine Geology
Coral Rubble
Coral rubble acts as both a sanctuary for marine life and a warning sign of reef decline
9 Feb 2026
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How does coral rubble influence the recovery of coral reefs after physical disturbances?
Coral rubble always promotes coral growth by providing a stable surface.
It provides habitat for marine life but excessive rubble can prevent new coral growth.
Coral rubble has no impact on coral reef recovery and is simply debris.
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