What are biodegradable materials?

• Materials that can be decomposed by natural organisms

• Materials that cannot be decomposed

• Materials that are made from plastic

• Materials that are always harmful to the environment

Which of the following is an example of biodegradable material?

• Batteries

• Cow manure

• Plastic bags

• Glass

What can biodegradable wastes be used to produce?

• Only biogas

• Only compost

• Manure, compost, and biogas

• Only energy

Which of the following is NOT a biodegradable material?

• Fecal matters

• Styrofoam

• Fruits

• Vegetables

What defines non-biodegradable materials?

• They are made from organic matter

• They are always recyclable

• They cannot be decomposed by natural organisms

• They can be decomposed by bacteria

Which of the following is an example of non-biodegradable material?

• Wood

• Paper

• Aluminium

• Vegetables

What is a challenge of recycling non-biodegradable materials?

• It is easy to do

• It is very expensive

• It is not necessary

• It is very cheap

Which of the following can be recycled?

• Vegetables

• Plastic bottles

• Cow manure

• Fruits

What type of waste can produce energy?

• Neither type of waste

• Both types of waste

• Only biodegradable waste

• Only non-biodegradable waste

Which of the following is a biodegradable plant product?

• Wood

• Plastic bags

• Carbon paper

• Electronic devices