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.
There is loads my fave one is if you want something done well do it yourself<span />
B: His arms are as strong as granite
Answer:
Positive – 'No other metal is as precious as gold'. Superlative – 'Gold is the most precious of all metals'. Comparative – 'Gold is more precious than all the other metals'
Explanation:
