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521. Q. What is used for Green House effect?

September 22, 2026 by Admin

Plastic

Glass

Soil

Sand

✅ The correct answer is b. Glass.

Categories 2026, PERA EO & IO Solved Paper Held on 15-03-2026(2026) - Punjab Enforcement and Regulatory Authority (PERA), PPSC Tags 2026, PERA EO & IO Solved Paper Held on 15-03-2026(2026) - Punjab Enforcement and Regulatory Authority (PERA), PPSC, PPSC 2026 PAPERS, PPSC 2026 PAST PAPER

519. Q. Choose the Correct Statement :

523. Q. Sio2 is known as ?

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