MCQ
Which is not a part of atmosphere
- ALight
- BTemperature
- ✓Edaphic factor
- DPrecipitation
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$I.$ Innate immunity is accomplished by providing different types of barriers
$II.$ Acquired immunity is present from the birth and is inherited from parents
$III.$ Sweat, tears, acid in the stomach and saliva prevent microbial growth
Reason : Progesterone level decreases.