What makes plastic bottles a big concern in oceans and not other materials such as metals, wood or paper materials?
A - Bottle caps are light weight and MORE dense than water, so they float.
B - Water bottles are made of PET which is LESS dense than the ocean water so they sink to the bottom.
C - Bottle caps are light weight and LESS dense than water, so they float.
D - Water bottles are made of PET which is MORE dense than the ocean water so they sink to the bottom.
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