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- 1. Multiple Choice
Decaying materials break down through the action of sunlight, water, soil, and the presence of __________________.
air
microorganisms
plants
animals
- 2. Multiple Choice
The following are the signs of a decayed materials EXCEPT
change in appearance
change in texture
presence of foul odor
presence of insects
- 3. Multiple Choice
What are the useful benefits of decaying materials?
It can be recycled
It can be used as organic Fertilizer
It can be eaten again
It can be reused
- 4. Multiple Choice
These are some ways to avoid food spoilage or decay EXCEPT
Refrigerate
Store food outside
Store goods well
Proper waste segregation
- 5. Multiple Choice
The following materials undergo decay, except:
- 6. Multiple Choice
The following are factors that contribute to the decaying process of the materials, except:
sunlight
water
electricity
action of microorganisms
- 7. Multiple Choice
- Which materials undergo decay.
- 8. Multiple Choice
burger
undergo decay
do not undergo decay
- 9. Multiple Choice
dead rat
undergo decay
do not undergo decay
- 10. Multiple Choice
Most microorganisms grow fastest when they have...
warm temperature, plenty of water, plenty of oxygen
cold temperature, plenty of water, plenty of oxygen
warm temperature, plenty of water, no oxygen
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