Hmm I think it is B <span>an expository essay hope this helps :)</span>
Both inventions were done by teenagers at their times.
Both inventions claimed to help 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.
C is the correct answer.
Hope this helps :)
Can u make the question more visible
Are their options and can you also send the link of it as a photo?
