alleryStart learning →Once groundwater is contaminated, how long can natural renewal of it take?
AA few minutes
BAbout an hour
CA single day
DMany years
Answer & Solution
Correct answer: D. Many years
Contaminated groundwater can take years to replenish naturally, so prevention matters.
Keep practising Natural resources and Indian heritage
Browse all Natural resources and Indian heritage questions for Olympiad (Class 5), or explore more Science topics.
Related questions
UNESCO lists sites under ten criteria. At least how many must each entry meet?UNESCO criteria vii to x are used for which kind of heritage sites?A country must first place a site on which list before it can be nominated for the World HWhich Indian listed work is shared with six other countries?Which danger put Hampi's monuments on the endangered list for 1999 to 2006?Manas was listed as endangered from 1992 to 2011. What caused it?Which Indian site is listed for both cultural and natural properties?The first Indian World Heritage Sites, such as Ajanta Caves and Agra Fort, were inscribed