Subject: Copper scarcity 9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Oil scarcity 28 general knowledge quiz questions. It should take around 6 minutes to complete all the questions.

Subject: Mineral scarcity 39 general knowledge quiz questions. It should take around 8 minutes to complete all the questions.

Subject: Resource depletion reduction efforts 26 general knowledge quiz questions. It should take around 6 minutes to complete all the questions.

Subject: Resource scarcity reduction efforts 11 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Resource waste reduction 9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Pay for waste reduction plan 11 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Black clothing 29 general knowledge quiz questions. It should take around 6 minutes to complete all the questions.

Subject: Sustainable tourism vloggers 28 general knowledge quiz questions. It should take around 6 minutes to complete all the questions.

Subject: Mineral sustainability 8 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Thermoforming vacuum machine 10 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Microbial energy 9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Innovative Environmental Solutions 10 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Bike shop 34 general knowledge quiz questions. It should take around 7 minutes to complete all the questions.

Subject: Coating environmental impact 20 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Apple's robot 17 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.