Which aquatic ecosystem typically forms along coastlines where fresh water and salt water meet, leading to varying degrees of salinity?
a. wetlands
b. open ocean
c. coastal ocean
d. estuary
d. estuary-“regions along coastlines where
streams or rivers flow into a body
of salt water”. They help
protect coastal land from flooding
and erosion; nutrients and biodiversity
are high
Filled with soil to make land for
human populations.
