Question

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

Answer 1

A wetlands is correct but b is a bad answer

Answer 2

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.