26Which is a renewable source of energy?APetroleumBCoalCNatural gasDSolar energyView AnswerDiscussWorkspaceReportSaveEasy
27Which pollutant gas is released by vehicles and binds to haemoglobin?AOxygenBCarbon dioxideCCarbon monoxideDNitrogenView AnswerDiscussWorkspaceReportSaveEasy
28Smog is a combination of:ASmoke and fogBSmoke and gasCSnow and fogDSand and fogView AnswerDiscussWorkspaceReportSaveEasy
29Project Tiger was launched in India in:A2005B1984C1992D1973View AnswerDiscussWorkspaceReportSaveEasy
30The ozone layer is found in the:AMesosphereBThermosphereCStratosphereDTroposphereView AnswerDiscussWorkspaceReportSaveEasy