drag each phrase into the correct column for the beach erosion strategy it describes.

-jetty

-beach nourishment

-seawall

: brings in more sand to replace erosion |

| : : prevents erosion by directing waves
back to ocean

: : hard structure built perpendicular to shore

: : hard structure that also provides flood
protection || :

can cause sand buildup on updrift ide of structure

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the endomembrane system i think

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation: