Class6 garbage in garbage out

List the waste which will rot

• Glass articles

• Plastic articles

• Vegetable peels

• Tea leaves

Waste which remains unchanged is known as

• Biodegradable

• Non biodegradable

When plastic waste is burn what is emitted

• Dust particles

• Oxygen

• Nitrogen

• Poisonous gases

Waste materials are that

• No longer needed

• Have become useless

• Are meant to be thrown away

• Can be reuse

Waste that is decomposed by the action of micro organism and turn into harmless substance is called

• Non biodegradable waste

• Biodegradable waste

What are landfills?

• Closed area

• Open area where trees are planted

• Closed area where waste is dumped

• Open area where waste is dumped

Solid waste is commonly called garbage.

• True

• False

Waste is usually produced at

• Homes

• Offices

• Hospital

• All of the above

List down the material that are considered as waste

• Tin boxes

• Wrappers

• Plastic bottles

• All of the above

Disposal of non biodegradable waste is serious because

• This type of waste will decay

• This type of waste smell

• This type of waste will not rot

• This type of waste will reused