Composition of Air MCQs Quiz Worksheet PDF Download

Composition of air multiple choice questions (MCQs), composition of air tesr prep for elementary school distance learning, online courses. Practice air and atmosphere multiple choice questions (MCQs), composition of air quiz questions and answers for 6th grade science placement test.

Study elementary school courses, online science degree programs MCQs: main constituent in air is, for online education degree with options nitrogen, oxygen, argon, and water vapor to improve study skills for exams by online learning on distance education ePortal. Free science student portal for online learning composition of air quiz questions, MCQs to find questions answers based online learning tests.

MCQ on Composition of Air Quiz PDF Download

MCQ: A greenhouse gas that absorbs energy and maintains earth's temperature is

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

A

MCQ: Main constituent in air is

  1. nitrogen
  2. oxygen
  3. argon
  4. water vapor

A

MCQ: In desert areas, water vapor content is

  1. different
  2. higher
  3. low
  4. constant

C

MCQ: In humid areas, water vapor content is

  1. higher
  2. lower
  3. constant
  4. none of them

A

MCQ: Water vapor is less dense than

  1. temperature
  2. air
  3. dust
  4. space

B