a hedge
oil spill - spill / spilt / spilt (v) - spill/spillage (n)
litter (v/n)
exhaust fume - an exhaust (n)
raw sewage / waste material
pump (v/n)
a ton (tons)
a vessel
a junk yard
marine liife - marine (n)
foam (v/n) - foamy (a)
a stream
to prevent sb from sth/ving (v) - prevention (n) - preventable (a) - preventive / preventative (a)
treasure (n) - treasurer (n) - treasury (n) - to treasure (v) - treasured (a)
