When The Atlantic Ripped Open A Supercontinent

What is the Mid-Atlantic Ridge?

• A chain of volcanoes at the bottom of the Atlantic Ocean
• A mountain range in North America
• A type of ocean current
• An underwater river

What supercontinent existed before the Atlantic Ocean formed?

• Pangea
• Gondwana
• Laurasia
• Rodinia

What major geological event is associated with the formation of the Atlantic Ocean?

• The CAMP eruption
• The Yellowstone Eruption
• The Permian Extinction
• The San Andreas Fault

How much lava did the CAMP eruption produce?

• Enough to cover over 10 million square kilometers
• 1 million square kilometers
• 20 million square kilometers
• 5 million square kilometers

What environmental impact did the CAMP eruption have on the Earth's atmosphere?

• Doubled carbon dioxide levels in the atmosphere
• Increased oxygen levels dramatically
• Lowered atmospheric temperatures
• Decreased nitrogen levels

What geological process occurs at the Mid-Atlantic Ridge today?

• Seafloor spreading
• Continental collision
• Plate subduction
• Volcanic eruption

What two gases were primarily emitted by the CAMP eruptions?

• Carbon dioxide and sulfur dioxide
• Oxygen and nitrogen
• Methane and argon
• Helium and hydrogen

What was the effect of the CAMP eruption on coral reefs?

• Coral reef ecosystems collapsed
• No significant effect on coral reefs
• Coral reefs expanded rapidly
• Coral reefs flourished

What was the result of the end-Triassic Mass Extinction?

• Almost half of marine genera went extinct
• No significant extinctions occurred
• Only plants went extinct
• Only land creatures were affected

How fast is the Atlantic Ocean currently widening?

• By a few centimeters every year
• By a meter every year
• It is not widening
• By a kilometer every year