It is best to say that restoring and protecting estuaries and wetlands
a.
prevent pollution in coastal waterways
b.
results in higher juvenile fish mortality
c.
improves the health of coastal ecosystems
d.
has no impact on fish populations

The answer is C. Hope I helped.

c.

improves the health of coastal ecosystems

Explanation:

The wetlands are the regions of shallow lands that are occupied with water either seasonally or permanently. The wetland receives water from rain, meting glaciers, river, lakes and oceans. An estuary is an intermediate water body that develops when freshwater river combines the water of the oceanic or any other brackish water source.

The wetlands and estuaries can inhabited by the large diversity of flora and fauna. Therefore, they are required to protected against the human intervention who can use them as waterways, and for fishing. The restoration and restrictions will protect the coastal ecosystems against such disturbances.