Why Are Groins NOT a Perfect Solution for Saving Beaches

question 49

Multiple Choice

Why are groins NOT a perfect solution for saving beaches from eroding?

• A) They increase erosion in the downdrift area.
• B) They completely trap all longshore drift.
• C) They increase amount of sand on one side of the groin.
• D) They are difficult to build.
• E) They are difficult to position on the beach.

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Definitions:

Lewis Dot Structure

A representation of the valence electrons around atoms, indicating bonds and lone pairs in molecules.

Calcium (Ca)

A soft gray alkaline earth metal, represented by the symbol Ca, essential for living organisms, particularly in cell physiology and bone formation.

Lewis Dot Structure

A diagram that shows the bonding between atoms of a molecule and the lone pairs of electrons that may exist.

Potassium

A soft silvery metal with the symbol K and atomic number 19, essential for life, particularly in nerve function.