Here are some sources of ocean pollution:
<span>Oil. Petroleum products used for fuel are mined from the earth deep below the ocean surfaces.
Dumping.
Sewage.
Air Pollution.
<span>Agricultural Runoff</span></span>
I think this would be the Great Wall of China!
although it's actually thought to be much, much longer: over 5000 miles long, if yoiu include natural defensive barriers used in it.
Answer:
A sustainable forest is a forest that is carefully managed so that as trees are felled they are replaced with seedlings that eventually grow into mature trees. This is a carefully and skilfully managed system.
Explanation:
