Question 11 MarkCFCs and BFCs protect the ozone layer.AnswerFalseCorrect statement: CFCs and BFCs deplete the ozone layer.View full question & answer→
Question 21 MarkThe ozone layer is harmful to humans and animals.AnswerFalseCorrect statement: The ozone layer is not harmful to humans and animals.View full question & answer→
Question 31 MarkOzone is found in the troposphere.AnswerFalseCorrect statement: Ozone is found in the stratosphere.View full question & answer→
Question 41 MarkForest fires do not cause global warming.AnswerFalseCorrect statement: Forest fires do cause global warming.View full question & answer→
Question 51 MarkAeroplanes flying in the sky cause global warming.AnswerTrueView full question & answer→