Environment & Ecology · Environment
निम्नलिखित में से कौन प्रकाश रासायनिक धुंध (photochemical smog) के सामान्य घटकों को दर्शाता है?
- 1ओजोन, फॉर्मेल्डिहाइड और पैन (PAN)✓
- 2फॉर्मेल्डिहाइड और पैन (PAN)
- 3NO2 and SO2
- 4ओजोन और SO2
सही उत्तर देखें
ओजोन, फॉर्मेल्डिहाइड और पैन (PAN)
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