Science 4 Review (1)

It is the process of converting nonbiodegradable materials into useful products. ​

• Recycling

• Segregating

Which action shows a way to reduce waste materials at home and in school?

• Use the backside of each piece paper

• Use more plastics in packed lunches.

Which type of material is shown?

• Biodegradable

• Nonbiodegradable

Which type of material is an abaca bag?

• Biodegradable

• Nonbiodegradable

Which process would NOT help preserve meat?

• Composting

• Drying

Plastic waste affects our sea life and ocean.

• True

• False

Compost waste materials cannot recycle as fertilizer.

• True

• False

Proper disposal doesn't harm the environment and the human health.

• True

• False

Vacuum packing slows down the decaying process of a food by removing oxygen which the bacteria need to grow.

• True

• False

Fish entrails are nonbiodegradable material.

• True

• False