Earth Atmosphere Multiple Choice Questions and Answers 6 PDF Download

Earth atmosphere multiple choice questions, learn science online test prep 6 for elementary school online courses, distance learning for exam prep. Practice ozone hole multiple choice questions (MCQs), earth atmosphere quiz questions and answers for earth-science class for earth science online course questions.

Study elementary school earth science multiple choice questions (MCQs): cfc molecule has power to remain active in stratosphere up to, for free online courses with choices 60 years, 120 years, 45 years, and 210 years, ozone hole quiz with online assessment portal for middle school, elementary school and high school students. Free earth-science study guide for online learning ozone hole quiz questions to attempt multiple choice questions based test.

MCQs on Earth Atmosphere Worksheets 6 Quiz PDF Download

MCQ: A CFC molecule has power to remain active in stratosphere up to

  1. 120 years
  2. 60 years
  3. 45 years
  4. 210 years


MCQ: Simmering lights in polar regions are called

  1. stars
  2. asteroids
  3. meteors
  4. auroras


MCQ: A process which helps to reduce indoor air pollution is called

  1. acidification
  2. acid shock
  3. ventilation
  4. exhaustion


MCQ: Solar energy is radiated by clouds and earth as

  1. long wave energy
  2. short wave energy
  3. medial wave energy
  4. extreme wave energy


MCQ: Process in which gases absorb thermal energy and radiate it towards earth is called

  1. greenhouse effect
  2. Coriolis effect
  3. global warming
  4. law of effect