WASTE MANAGEMENT (YEAR 6 )

__________________ are things that we do not use and are thrown away

• Materials

• Waste

________________ process returns nutrients to the soil.

• Pollution

• Decaying

• Recycling

The decayed organic waste add __________________________ to the soil.

• Nutrients

• Vitamins

• compost

Choose two proper ways of disposing waste.

• Recycling

• Open burning

• Classifying waste

• Releasing toxic liquids in the river.

Domestic wastes are wastes from factories.

• True

• False

Biodegradable plastics can decay.

• True

• False

Compost is toxic to plants.

• True

• False

Treating the sewage materials before releasing it to the environment is one of the proper waste disposal method.

• True

• False

Waste can cause disease and sickness

• True

• False

This material is biodegradable .

• True

• False