issb general knowledge MCQ #499

Greenhouse effect is caused mainly by?

issb general knowledge MCQ #499

  1. Question 1

    Q1. Greenhouse effect is caused mainly by?

    • A) Greenhouse gases trapping heat
    • B) Solar flares only
    • C) Ocean tides
    • D) Earthquakes

    Answer: Greenhouse gases trapping heat

    Explanation: Gases like CO2 trap heat in Earth's atmosphere. This fact often appears in ISSB academic and general knowledge sections.