|
|
1
|
most modern rov that explored the mariana trench
|
2
|
known as the 'blue planet'
|
3
|
the number of years the challenger spent at sea
|
4
|
the deepest manned dive discovered this place
|
9
|
the percentage of earth that is covered in water
|
10
|
this submersible was equipped with a camera and robotic arms
|
12
|
unmanned robots that can explore the ocean while scientists contol it from a ship
|
13
|
a deep ditch in the floor of the ocean
|
14
|
long chains of these rise up from the ocean floor
|
|