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Jugar Test
1. 
The layers that surround Earth is known as __________.
A.
the atmosphere
B.
global warming
C.
acid rain
D.
the mesophere
2. 
Which TWO things are needed from the Sun for life?
A.
radiation
B.
heat
C.
light
D.
color
3. 
Which TWO gases are formed when fossil fuels are burnt?
A.
sulfur
B.
oxygen
C.
nitrogen
D.
carbon dioxide
4. 
Select TWO ways in which the atmosphere benefits mankind.
A.
It protects us from the bitter cold of space.
B.
It shields us from the Sun's radiation.
C.
It releases harmful waste to pollute mankind.
D.
It prevents plants from growing.
5. 
Which of the following defines the greenhouse effect?
A.
rain that is polluted by different gases
B.
a gradual increase in temperature as a result of polluting gases
C.
the layer that absorbs most of the Sun's ultraviolet rays
D.
natural warming of the Earth by the Sun's trapped energy in the atmosphere
6. 
Which of the following defines acid rain?
A.
rain that is polluted by different gases
B.
a gradual increase in temperature as a result of polluting gases
C.
the layer that absorbs most of the Sun's ultraviolet rays
D.
natural warming of the Earth by the Sun's trapped energy in the atmosphere
7. 
Which of the following defines global warming?
A.
rain that is polluted by different gases
B.
a gradual increase in temperature as a result of polluting gases
C.
the layer that absorbs most of the Sun's ultraviolet rays
D.
natural warming of the Earth by the Sun's trapped energy in the atmosphere
8. 
Which of the following defines the ozone layer?
A.
rain that is polluted by different gases
B.
a gradual increase in temperature as a result of polluting gases
C.
the layer that absorbs most of the Sun's ultraviolet rays
D.
natural warming of the Earth by the Sun's trapped energy in the atmosphere
9. 
The ozone layer is found in which layer of the atmosphere?
A.
troposphere
B.
stratosphere
C.
mesosphere
D.
ionosphere
10. 
What is the name of the process by which plants make their own food?
A.
transpiration
B.
evaporation
C.
photosynthesis