Subject: Nature program 19 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Power sector 44 general knowledge quiz questions. It should take around 9 minutes to complete all the questions.

Subject: Environmental health solution 11 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Renewable solution 18 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Climate change leadership 34 general knowledge quiz questions. It should take around 7 minutes to complete all the questions.

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

Subject: Home improvement enthusiasts 15 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

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

Subject: Tungsten trioxide 16 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Surplus electricity 23 general knowledge quiz questions. It should take around 5 minutes to complete all the questions.

Subject: Cu-Dy alloy permanent magnet 19 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Nature challenges 32 general knowledge quiz questions. It should take around 7 minutes to complete all the questions.

Subject: Geology and mineral resources 18 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Solar screen 10 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Sun shade screen 18 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Heat-blocking screen 37 general knowledge quiz questions. It should take around 8 minutes to complete all the questions.