How does the plastic reach the sea?

wastewater

Explanation:

wind,rain and floods

Normally if the trash is not thrown directly in the sea it arrives pushed by the rivers.

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.

your answer is going to be physical weathering