Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
Is formed naturally
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Is byproduct of reactions between two or more pollutant components
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
Is anthropogenic
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is A Enters environment directly Primary pollutants are pollutants or contaminants which enter directly into the environment and it's slightest of presence becomes undesirable.
They are produced directly and enter directly into the environment. They are hazardous in their natural state and infect directly.
So, the correct option is 'Enters environment directly'.