we can make dams
Humans can't see in the ocean because the salt water burns their eyes.
It is unhealthy for humans to drink ocean water. This is because of all the microorganisms in it and the fact that the salt in the ocean will dehydrate the person.
Humans have helped and hurt the ocean in many ways, but I must say in my opinion, we have hurt the ocean beyond repair and must help the ocean become better. I would say we hurt the ocean.
Humans interact with the ocean by swimming in it and fishing. They also use it extensively for transportation due to its massive size.
polution
The number of humans on the planet.
It allowed humans to migrate out of Africa.
Thalassophobia is the phobia of the ocean to humans. It is a particularly general kind of fear.
No, you will get violently ill.
It allowed humans to migrate out of Africa.
The ethic between humans and the avatars.
The humans started littering and it polluted the water.