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Science
Balance of nature - Set 1
Report
1 / 5
Which method is suitable to avoid pollution from used plastic bags?
Time limit:
00:01:00
Throw the plastic into the river
Bury the plastic in the ground
Burn the plastic in an open area
Recycling
Difficulty Level:
Easy
Balance of nature - Set 1
Report
2 / 5
What is the effect of carbon monoxide towards human health?
Time limit:
00:01:00
Irritate eyes and nose
Cause cell mutation and cancer
Cause lung disease
Reduce the efficiency of red blood cells to transport oxygen
Difficulty Level:
Hard
Balance of nature - Set 1
Report
3 / 5
Which of the following gas contributes most to greenhouse effect?
Time limit:
00:01:00
Sulphur dioxide
Carbon dioxide
Nitrogen dioxide
Carbon monoxide
Difficulty Level:
Medium
Balance of nature - Set 1
Report
4 / 5
Which of the following are known as natural cycle?
Time limit:
00:01:00
Water cycle
Nitrogen cycle
Carbon cycle
All of the above
Difficulty Level:
Medium
Balance of nature - Set 1
Report
5 / 5
The statement shows a definition of
\(X\)
.
Living things and non-living things are interdependent to one another for their existence
What is
\(X\)
?
Time limit:
00:01:00
The definition of living things
The definition of balance in nature
The definition of food web
The definition of natural cycle
Difficulty Level:
Medium
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