Backwash can pollute the waters. Also, bottles that people litter can also affect the waters. Animals, or sea life can mistake these trashes as food, and eat them, possibly killing the animal. The water from showers, sink etc., goes to the sewer which can be emptied into the ocean.
Tsunamis can affect marine life by moving their habitats. For instance, if the water a fish is in move to shore, then the fish will move with it.
According to the US Coast guard, a personal watercraft is not powered by an external propeller. The personal craft has its on water jet pump.
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it affects a drought and afful rainstorms
upwelling affects the marine life because of the steagmagmaticbuoyant force of the air that goes through the water evaporates and crash out marine lives
The ocean current flowing along the west coast of a continent in the midlatitudes tends to be cooler compared to ocean currents along the east coast due to upwelling of colder water from deeper layers. This phenomenon brings nutrient-rich water to the surface, supporting diverse marine ecosystems. Examples include the California Current off the west coast of North America, which contributes to the cooler temperatures in that region.
For human life, increasing the temperature causes increasing the level of water in seas and oceans. Hence, a lot of lands will covered by water and long coasts will disappeared. For marine life, fish's and other marine organisms affect strongly by the temperature of water. The main danger for these organisms is the decrease of the level of oxygen in water which may kill them.
Coast areas in Antarctica -- only visible between about November and February, are otherwise covered by ice. As with most continental coast lines, the coast areas show where the water meets the continent, tide action, and access to marine birds that choose to breed on Antarctica's beaches.
Waves affect certain marine organisms. Only the ones near the surface, they could also be affected by the tides (High tide, low tide)
It is sinking because a marine terraces is sand were sand stacks are, so where the marine terraces are, that's were the water use to be. land had been uplifted or that sea level had fallen
A personal water craft operator must follow U.S. Coast Guard rules and regulations, because they are considered a Class A motor vessel.The Coast Guard rules and regulations are set by the United States Code (USC) which are the codified laws set in place by Congress.