My English teacher has always said that when we use a quotation, we need have commentary of our own after.
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.
Have* this is because has* is past tense and have is more appropriate since there are multiple things you are referring too (Mercury, Venus, Earth and Mars). To be honest, these planets have a molten core.
Answer:
A. The source of the hunting cries.
Explanation:
I took the test, and its correct!
