14. It is cool a body of water because
A. In deep water away from sunlight
B. In the land
C. In the land
D. On or just understand the surface of the ocean
15. The warming up of the Earth due to heat trapped by atmospheric gases is called
A.Convection B. Photosynthesis
C. Salinity
D. The greenhouse effect
16. Which of the following is responsible for the greenhouse effect
A. Both carbon dioxide and methane
B. Carbon dioxide
C. Nitrogen
D. Methane
17. As one goes higher above the Earth, air pressure
A. Decreases
B. Increases
C. Increases in some parts and decreases in other parts
D. Remains the same
18. Most of the Earth's weather takes place in the layer of the atmosphere called
A. The hydrosphere
C. The stratosphere
B. The ozone layer
D. The troposphere
19. Under the surface currents that move the continents
A. Condition currents
C. Core
B. Convection currents
D. Magma
20. Makes the earth blue when seen from outer space
A. Atmosphere
B. Hydrosphere
C. Lithosphere
D. Ozone layer
21. What is the most abundant element in the earth's atmosphere?
A. Argon
B. Carbon dioxide
C. Nitrogen
D. Oxygen
22. What is the correct order of Earth's atmosphere layers from bottom to top?
A. Stratosphere, Mesosphere, Troposphere, Thermosphere, Exosphere
B. Stratosphere, Troposphere, Thermosphere, Mesosphere, Exosphere
C. Troposphere, Mesosphere, Stratosphere, Thermosphere, Exosphere
D. Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere
23. What is meant by "trace" gases?
A. They are emitted by trees
B. They are naturally occurring on earth
C. They are not harmful
D. They are present in very small amount
24. Which layer of the atmosphere consists the ozone layer?
A. Mesosphere
B. Stratosphere
C. Thermosphere
D. Troposphere
25. In which atmospheric layer is most water vapor found?
A. Mesosphere
B. Stratosphere
C. Thermosphere
D. Troposphere
26. In which layer do virtually all weather phenomena take place?
A. Exosphere
B. Mesosphere
C. Stratosphere
D. Troposphere
27. Why is the presence of ozone above the troposphere important for the survival of living things one earth
A. It helps in cloud formation
B. It makes jet flying comfortable
C. It offers protection from the Sun's harmful UV rays​