Question

Engineers have just laid a new undersea cable. What prediction can they make about the impact this will have on the environment?

 A.Hypoxic conditions will be created within a large distance from the cable.

  B.Power flowing through the cable will increase the primary productivity of the area.  
C.Radiation from the cable will cause marine life to move to other locations.

 
D.The cable will serve as a substrate to which many invertebrates will attach.

Answer 1

The answer is D. The cable will serve as a substrate to which many invertebrates will attach.

I just took the test and got this right. (: Hope this helps.

Answer 2

The impact of putting an undersea cable to the marine environment would most likely be that "The cable will serve as a substrate to which many invertebrates will attach." In addition, remains of these aquatic animals would most likely cling to the undersea cable such as corals and other forms of decomposition.