<span>The wetlands on the Louisiana coast are shrinking. The use of levees is part of the problem because the Mississippi river would naturally feed into the wetlands and enrich the wetlands with soil. Because of the levees and other causes of erosion and weathering, the wetlands along the coastline are now seeing a decline.</span>
Neither the sermon nor the song service was very long.
The type of type of conjunction in the sentence is: <u>correlative conjunction</u>.
The correlative conjunction neither...nor connect two subjects. The second subject s<em>ong service</em> agree with the verb that follows.