both inventions were done by teenagers at their times.
both inventions claimed to the environment: boyan slat's machine would clean up trash floating in ocean. duro-aina adebola, akindele abiola, faleke oluwatoyin, and bello eniola proposed power generation from urine that would not create carbon monoxide.
unfortunately both inventions were also challenged by more established scientists and engineers.
reading critically involves questioning a text.
to read a text critically means to engage in an active way of reading, that is, to read in a deeper way. reading critically is more than just getting what the text is about. it is about analyzing and evaluating the information that is being presented in order not to become a 'passive reader', a reader that takes the information that receives without questioning it. critical reading is important for the reader to build his/her own viewpoint about a specific topic.
i think the answer would be d. lyric poetry and sonnet.