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Subjects
Science State Board
Class 8
Microorganisms
Microorganisms - Friend and foe
4.
Answer the following
Exercise condition:
3
m.
1.
Dengue, typhoid are:
deficiency diseases
communicable diseases
rapid spread diseases
2.
Diseases that can spread through the air are called...
airborne diseases
air-spread diseases
influential diseases
3.
How many types of bacteria there are?
5
3
4
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