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New Hope Posted 9 years ago
Grammar

how do know they/ how do know if they

Which is correct of the two?
Bacteria are microscopic organisms. So, how do we know if they are alive?
Bacteria are microscopic organisms. So, how do we know they are alive?
  

Top answer

New Hope Which is correct of the two? So, how do we know if they are alive? So, how do we know they are alive?

  • New Hope Which is correct of the two?
  • So, how do we know if they are alive?
  • So, how do we know they are alive?
  • Both are fine.
  • 'That' is also common.
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1 Answers
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New HopeWhich is correct of the two? So, how do we know if they are alive? So, how do we know they are alive?
Both are fine. 'That' is also common.

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