Atmosphere Composition Multiple Choice Questions and Answers 2 PDF Download

Atmosphere composition multiple choice questions (MCQs), atmosphere composition test prep 2 to learn online elementary school courses, distance learning for exam prep. Practice composition of atmosphere multiple choice questions (MCQs), atmosphere composition quiz questions and answers for earth-science class for environmental earth sciences online tests.

Study elementary school earth science multiple choice questions (MCQs): gas which has percentage equal to 78% in air is the, for online elementary education degree with options hydrogen, oxygen, carbon dioxide, and nitrogen, composition of atmosphere quiz with 6th, 7th and 8th grade science tests from textbooks with teaching resources and teaching guide questions. Free earth-science study guide for online learning composition of atmosphere quiz questions to attempt multiple choice questions based test.

MCQ on Atmosphere Composition Worksheets 2 Quiz PDF Download

MCQ: Gas which has percentage equal to 78% in air is the

  1. oxygen
  2. hydrogen
  3. carbon dioxide
  4. nitrogen


MCQ: Thermosphere as compare to troposphere is

  1. less dense
  2. more dense
  3. colder
  4. hotter


MCQ: Ozone has been depleted due to

  1. CFS
  2. UV rays
  3. oil spill
  4. deforestation


MCQ: Earth has tendency to absorb energy from sun which is

  1. 0.25
  2. 0.2
  3. 0.5
  4. 0.05


MCQ: Mixture of gases around us is regarded as

  1. ecosystem
  2. atmosphere
  3. environment
  4. climate