NCERT Exemplar X — task. Science CBSE, Class 7.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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State whether the following statements are True or False. In case a statement is false, write the correct statement.

Where underground sewerage systems and refuse disposal systems are not available, the high cost on-site sanitation system can be adopted.

The correct statement is

Where underground sewerage and refuse disposal systems are unavailable, high-cost on-site sanitation systems can't be adopted.
Where underground sewerage and refuse disposal systems are unavailable, low-cost on-site sanitation systems can be adopted
Where underground sewerage and refuse disposal systems are unavailable, high-cost on-site sanitation systems can be adopted.
Where underground sewerage and refuse disposal systems are unavailable, low-cost on-site sanitation systems can't be adopted.

Did you find an error?

23. NCERT Exemplar X