Biodegradable vs Non-Biodegradable
Ozone Layer Depletion & CFCs
Long-Term Impacts of Plastics
100

Which type of waste can be broken down naturally by microorganisms?

Biodegradable waste

100

What is the main function of the ozone layer?

It protects Earth from harmful ultraviolet (UV) rays.

100

Approximately how long can plastic take to decompose?


Hundreds of years (often 500 years or more)

200

Give two examples of biodegradable waste.

Fruit peels, leaves, paper, vegetable waste.

200

What does CFC stand for?

Chlorofluorocarbon 


200

What are tiny plastic particles found in water and soil called?

Microplasts.

300

Why is non-biodegradable waste harmful to the environment?

It does not decompose easily and accumulates in the environment, causing pollution.

300

Name one product that historically contained CFCs.

Refrigerators, air conditioners, aerosol sprays

300

Mention one long-term environmental impact of plastic pollution.

Harm to wildlife, soil pollution, water pollution, blockage of drains, or entry into the food chain.

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