give a description of a recent (2018-2020) example of how this problem has displayed itself in your community​

no the answer is c only objects touching the earth's surface can be acted upon by an outside force

it is a better alternative

the answer would be c. sediment buildup on continental slope

                                                                                -hope this -

i only have part a but here is the first one: - lewis and clark are born

- lewis marries sacajawea and clark is jealous  

- clark drowns lewis and then goes to jail