Materials Undergo Decay

1._____to be slowly destroyed into bits in the presence of water, air, and soil.

• Decay

• Sink

• float

• buoyancy

1. Which materials undergo decay.

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• 
• 
• 

Which material does not belong to undergo decay.

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• 
• 
• 

Bread, fruits, vegetables and leftover foods are example of materials ______

• undergo decay

• materials undergo hardness

• biodegradable materials

• recyclable materials

Materials that undergo decay are useful to our body?

• Yes

• No

• Maybe

• none of the above