試題詳解

37. Wbich of the following is NOT true about estruaries?
(A) Estuaries have lower net primary production than continentia} shelf.
(B) Estuaries are susceptible to pollution and commercial developments by humans.
(C) Estuaries support a variety of animal life that humans consume.
(D) Estuaries are often bordered by mudflats and salt marshes.
(E) Estuaries contain waters of varying salinity.