Lichens are the best indicator of January 18, 2020 by mcq A) Air pollution B) Sound pollution C) Noise pollution D) Water pollution View AnswerOption – A. More QuestionsThe average rainfall in India is about:Find the odd man out? 16, 254, 1296, 4096, 10000I. Rural and semi-urban areas in the country have been suffering due to load shedding for quite some time. II. If the Government is not able to overcome the power crisis, load shedding will be extended even to the urban areas.Assertion(A) : Indus valley people knew the art of navigation. Reason(R) : Indus valley seals indicate prevalence of overseas trade.Which of the following number is divisible by 24?Find the odd one out of the following options.Navigation structure of roadmanps consist ofCells with similar markers stick together and function asFormation of shadows can be explained byWhich of the following fertilizers has more nitrogen content?