Find out the correct statement
i) British mine–owners were faced with the problem of water seeping into their mines
ii) Employing human labour was cheap for this work
iii) Newton invented a steam engine to pump water out of mines
iv) Water had to be removed to get coal in mines
i) is correct. British mines were faced with problem of water seepage, which had to be removed before extracting coal.
ii) is incorrect. Removing water was a labour intensive work, and often required huge expenditures.
iii) is incorrect. Thomas Newcomen developed the water pump, which was used to remove water from mines.
iv) is correct for procedural reasons.
Couldn't generate an explanation.
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