2025 ഫെബ്രുവരിയിൽ "H.K.U 5 - COV -2" എന്ന പുതിയ ഇനം കൊറോണ വൈറസിനെ കണ്ടെത്തിയത് ഏത് രാജ്യത്താണ് ?
Aചൈന
Bഇന്ത്യ
Cദക്ഷിണാഫ്രിക്ക
Dകോംഗോ
Aചൈന
Bഇന്ത്യ
Cദക്ഷിണാഫ്രിക്ക
Dകോംഗോ
Related Questions:
Consider the following regarding qualitative and quantitative pollutants:
Qualitative pollutants include substances introduced exclusively by humans.
Quantitative pollutants are harmful only when their concentration increases.
Mercury is a qualitative pollutant.
They include benzene and 3,4 benzopyrene.
They are mainly emitted by burning fossil fuels.
They are associated with lung cancer in humans.
Which of the following statements about primary pollutants are true?
They are emitted directly into the atmosphere.
Carbon monoxide and DDT are primary pollutants.
They are more toxic than secondary pollutants.