Hammerhead sharks have nostrils that are more widely spaced than those of sharks with pointed noses.
VOA: special.2010.08.03
They should be planted in rows that are spaced thirty to forty-six centimeters apart.
VOA: special.2009.02.17
The rows should be spaced about sixty to ninety centimeters apart.
VOA: special.2009.03.10
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