Answer:
The question is incomplete as it lack options, the appropriate options are -
A. should be placed near the water's edge to prevent the current from taking the new sand out to the ocean.
B. Sandy areas of a beach should alternate with cement areas to prevent erosion.
C. Large, coarse grains of sand should be used since they remain on the beach longer.
D. Sand mixed with soil should be used to promote plant growth and prevent erosion.
The correct answer is - option C.
Step-by-step explanation:
The research conducted in the year 2016 at the Scripps Institute of oceanography. This is the institute that is at the University of California San County. According to this study that the size of grains of the sand does matter in the case of beach erosion.
They established by the research that larger sand particles help a lot regarding the beach nourishment and combating the beach erosion.
Thus, option C. is the correct answer.