It belongs to the Organ System
Answer:
Ocean and river pollution: it has been solved but the problem is that the machine that filters plastic from the water is making it difficult for Fishermen to catch fishes.
that's the only I can think of that could cause problem
Answer: 1950s
Explanation: Data gathered by ocean graphic surveys conducted by many Nations legend discovery that a great mountain range and on the ocean floor virtually into good Earth. From noaa.gov
a.on shores and coasts. i think would be the best awnser
Answer:
The ring of fire is an area around the pacific ocean where there is a lot of volcanic activity
Explanation: