Materials that undergo decay

Decaying materials break down through the action of sunlight, water, soil, and the presence of __________________.

• air

• microorganisms

• plants

• animals

The following are the signs of a decayed materials EXCEPT

• change in appearance

• change in texture

• presence of foul odor

• presence of insects

It is a one form of decay that has the presence of molds and bubbles on food.

• food expiration

• food spoilage

• damaged food

• rotten food

Plants and animals do not decay at the same time.

• True

• False

It involves making a heap of moistened material from animal and plant waste.

• Composting

• Pilling

• Segregating

• Trash bin

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

These are some ways to avoid food spoilage or decay EXCEPT

• Refrigerate

• Store food outside

• Store goods well

• Proper waste segregation

The following materials undergo decay, except:

• 
• 
• 
• 

The following are factors that contribute to the decaying process of the materials, except:

• sunlight

• water

• electricity

• action of microorganisms

It is to be slowly destroyed into bits in the presence of water, air, and soil.

(a)