MCQ
Sand and pebbles are grouped differently because:
  • A
    Sand is opaque and pebbles are translucent.
  • Sand is smooth and pebbles are rough.
  • C
    Sand is rough and pebbles are smooth.
  • D
    Sand floats and pebbles sink in water.

Answer

Correct option: B.
Sand is smooth and pebbles are rough.
Sand is smooth and pebbles are rough.

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