This quiz works best with JavaScript enabled. Home > Greenhouse > Greenhouse – Quiz 22 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Greenhouse Quiz 22 (6 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What percentage of greenhouse gases is Carbon Dioxide? A) 2%. B) 20%. C) 60%. D) 14%. Show Answer Correct Answer: B) 20%. 2. This protects us from harmful UV rays from the sun A) Troposphere. B) Stratosphere. C) Greenhouse Effect. D) Ozone Layer. Show Answer Correct Answer: D) Ozone Layer. 3. What gas is not the most common in the human body? A) Carbon Dioxide. B) Water Vapor. C) Methane. D) Nitrous Oxide. Show Answer Correct Answer: D) Nitrous Oxide. 4. How much cooler would the planet be without the greenhouse effect? A) 62 degrees. B) 34 degrees. C) 54 degrees. D) 20 degrees. Show Answer Correct Answer: C) 54 degrees. 5. Surface currents ..... A) Warmer and are created by wind. B) Warmer and are more dense than deep ocean currents. C) Cooler and more dense than deep ocean currents. D) Cooler and are created by wind. Show Answer Correct Answer: A) Warmer and are created by wind. 6. What is the most important thing the Ozone does for us? A) Helps stop dangerous high frequency wavelengths. B) Sits in the Atmosphere. C) Catches pollution. D) Allows suns high frequency waves to pass through to Earth. Show Answer Correct Answer: A) Helps stop dangerous high frequency wavelengths. ← PreviousRelated QuizzesGreenhouse Quiz 1Greenhouse Quiz 2Greenhouse Quiz 3Greenhouse Quiz 4Greenhouse Quiz 5Greenhouse Quiz 6Greenhouse Quiz 7Greenhouse Quiz 8Greenhouse Quiz 9Greenhouse Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books