DAMAGE :C AND BENEFITS :)

DAMAGE	BENEFIT
It is dangerous because of the toxins existing there.	It`s a possible micro habitat for some species adhered to these.
The  jellyfish are eating plastic and at the same time transferring it to their babies,  even when they are eaten for biggest fishes and these are taking to our homes for consume it they have lots of toxins.
There are no biodegradable materials in tons.	It gets degraded because the sun light and wind dividing the plastic in the ocean.
The plastic presence affect like 267  sea species.	The plastics have a property that absorbs all the chemical dangerous waste of the ocean.