What is the Mariana Trench known for?

• Presence of hydrothermal vents

• Challenger Deep

• Abundance of marine life

• Coral reef formations

What are the potential challenges and obstacles that prevent further exploration of the Mariana Trench?

What is the cause of the depth of the Mariana Trench?

• Tectonic activity

• Volcanic eruptions

• Glacial erosion

• Meteorite impact

What is the approximate depth of the Mariana Trench, the deepest part of the world's oceans?

• 20,000 feet

• 30,000 feet

• 36,070 feet

• 40,000 feet

The bathyscaphe Trieste successfully descended to the bottom of the trench, reaching the Challenger Deep, marking the first successful exploration of the trench in ___