Answer:
C. Large, coarse grains of sand should be used since they remain on the beach longer.
Explanation:
According to a 2016 study by researchers at Scripps Institution of Oceanography at the University of California San County, the size of sand particles does matter a lot when it comes to beach erosion. They found that larger courser sand particles help a lot with combating beach erosion so the answer should be C
Answer:
Full or New Moon + Perigee
The answers are following
1)a
2)a
3)d
Answer:
Those materials which are not attracted by a magnet are called non- magnetic materials. All the substances other than iron, nickel, and Cobalt are non-magnetic substances for example plastic, rubber, water, etc are nonmagnetic materials. Non-magnetic substances cannot be magnetized.
