Question 11 MarkBeehives are disappearing fast due to global warming.AnswerTrueView full question & answer→
Question 21 MarkThe Proportion of nitrous oxide which was $270\ PPM$ before, is now $470\ PPM$.AnswerFalseView full question & answer→
Question 31 MarkThe Proportion of $CO _2$ which was $275$ $PPM$ $100$ years ago has increased to $350 \ PPM$ at present.AnswerTrueView full question & answer→
Question 41 MarkProblem of climate change has emerged due to reduction in grenhouse gases.AnswerFalseView full question & answer→
Question 51 MarkThe average condition of temperature ,moisture and rain for a period of over $35$ years is called “weather”.AnswerFalseView full question & answer→
Question 61 MarkOur enviornment is polluted due to amoke from industries, factories ,power stations and auto vehicles.AnswerTrueView full question & answer→