Aquaculture has been beneficial in enhancing productivity, but may have negative effects by ____
A) ?increasing damage to structures from wind and wave energy in submerged pens
B) ?concentrating farmed fish waste through open-ocean systems
C) ?reducing the genetic diversity of wild fish from escapes
D) ?increases the amount of wasted feed by moderating the number of farmed fish in each pen
C
You might also like to view...
Which principle of relative age dating is important for determining the relative age of igneous rock that has intruded into overlying rock?
A 100-m wide river flows due south. A boat that travels 1 m/s relative to the water is pointed due east as it crosses from the west bank. The time for the boat cross is
A. 141 s. B. 200 s. C. 100 s. D. 50 s.
When a new theory is proposed,
A) scientists consider it a tentative explanation. B) it will not undergo further testing. C) it will undergo further testing in new studies. D) scientists can utilize supernatural phenomena to test it.
The west coast of South America is known for its seasonal upwelling. What kind of sediment is likely
to be abundant based on this information? a. Terrigenous b. Hydrogenous c. Biogenous d. Cosmogenous