Why Are Sand-Sized Particles Easier to Erode Than Clay-Sized Particles

question 42

Multiple Choice

Why are sand-sized particles easier to erode than clay-sized particles?

• A)because sand grains are rounder and roll more easily,whereas clay particles are flat and platy
• B)because sand grains are typically made of quartz,which saltates more easily than clay particles
• C)because clay particles are denser than sand particles,making them heavier
• D)because clay particles are attracted to tone another because of opposite charges,which hold them in place

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