GWaste Product Knowledge app for iPhone and iPad

This app classifies amazing scrap related issues into multiple levels based on your knowledge, and you must choose the correct answer from the given options within the time frame.
problem:

-All questions are filtered by difficulty. The more questions you answer, the harder it will be to get them. The difficulty of a question is indicated by a white scale under each question.
-You get more points for difficult issues.

GWaste Product Knowledge is:
Free trivia games to test your scrap knowledge
Valuable and little-known sources
-Fun questions for all difficulty levels