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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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salsathief salsathief
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6 years ago
The number of dead zones has ________ every decade from the1960s into the twenty-first century.
 
  A) doubled
  B) tripled
  C) quadrupled
  D) quintupled
  E) increased ten-fold
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Helverson28Helverson28
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6 years ago
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salsathief Author
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6 years ago
Thanks
Katey_maree
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Yesterday
Thanks
kiara23247843
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2 hours ago
this is exactly what I needed
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