Practice check: Which option answers this correctly: which material is a good electrical conductor?

✅ C. Breakdown of larger plastic items and synthetic fibres

a: Only untreated timber | b: Only volcanic ash | c: Breakdown of larger plastic items and synthetic fibres | d: Only fresh snow Read more

✅ C. Potential energy

✅ D. Keep products and materials in use and reduce waste

a: Increase landfill only | b: Stop all repair | c: Maximize single-use products | d: Keep products and materials in use and reduce waste Read more

✅ D. All of above

✅ B. Troposphere

a: Exosphere | b: Troposphere | c: Mesosphere | d: Thermosphere Read more

✅ D. Carbon dioxide

a: Neon | b: Helium | c: Argon | d: Carbon dioxide Read more

✅ A. Oxidation

✅ C. Carbon Dioxide