Answer: Our oceans cover more than 70 per cent of the Earth's surface.
The majority of life on Earth is aquatic.
Less than five per cent of the planet's oceans have been explored.
The world's longest mountain chain is underwater.
There are more historic artefacts under the sea than in all of the world's museums.
It would be placer because you are not digging up any ground..if that is not right it might be none because if you are messing with water environments you are still messing with it which could not be good
The circulatory system will make the heart pump faster, moving blood, oxygen, and nutrients around the body. the excretory system will excrete waste like sweat through the skin, maintaining a steady body temp.
