As these chemicals have moved into the sea and surrounding area, soil fertility has decreased and human health problems have increased in the area.
(these chemicals; have moved; into the sea and surrounding area) (soil fertility; has decreased; T:As these chemicals have moved into the sea and surrounding area) (human health problems; have increased; L:in the area)
these chemicals soil fertility human health problems
have moved has decreased have increased
into the sea and surrounding area
T:As these chemicals have moved into the sea and surrounding area
L:in the area