What Is The Mariana Trench?
The Mariana Trench is an extremely deep ocean trench. It is so deep that very few life forms can survive in it. Challenger Deep (the deepest part of the trench), is the deepest point on earth.
The Mariana Trench is an extremely deep ocean trench. It is so deep that very few life forms can survive in it. Challenger Deep (the deepest part of the trench), is the deepest point on earth.
NOTE: Images sourced from: http://deepseachallenge.com & https://www.google.com.au/imghp?hl=en&tab=wi&ei=-VklU46qEISlkQXpyIDgBw&ved=0CAQQqi4oAg