Science Chapter 19.1 & 19.2 Quiz

6. The gas that organisms need for respiration

oxygen

12. D

stratosphere

9. The Ozone layer is concentrated in the

stratosphere

10. B

thermosphere

1. A molecule of ozone gas consists of

three oxygen atoms

4. The atmospheric layer in which we live is called the

troposphere

3. Ozone filters out most of the ___ radiation in sunlight

ultraviolet

8. The coldest atmospheric layer is the

mesosphere

15. A

Exosphere

13. C

Mesosphere

2. The most abundant gas in the atmosphere is

Nitrogen

14. AB

Ozone layer

11. E

Troposphere

5. Warming in the stratosphere is mainly caused by

absorption of ultraviolet radiation by ozone

7. Most meteors burn up in the

mesosphere