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.
The correctly punctuated sentence is A. Martha Graham was one of the most influential figures in dance in the twentieth century, her style was knows for its fierceness and intensity.
Puritan plain style is when you get straight to the point without any exaggeration or unnecessary words. That gives you the answer B.<span />
Answer:
When you're sad, you feel unhappy. If you've ever experienced the death of a pet you loved deeply, you know exactly what it means to feel sad. You might use the adjective sad informally to describe something that's pathetic or that you feel scornful or disdainful about.
Explanation:
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