A gerund is a verb changed into a noun by adding 'ing' to the end of the word.
So your answer is B. Jogging
Hope this helps. :)
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 Mrs. Piggle-Wiggle series is about a small woman who lives in an upside-down house in a lively neighborhood inhabited mainly by children who have bad habits. Mrs. Piggle-Wiggle has a chest full of magical cures left to her by her deceased husband, Mr. Piggle-Wiggle, who was a pirate.
A) fairy tales because the other three options typically have you on the edge of your seat waiting for the next thing to happen