Adding -s is the most common. for example: books, cups, pencils, etc. -es might have been the one that confused you, but that isn't a super common ending for plurals--instead, a more common one would be "-ies" which is when you drop the y (berry becomes berries, for example).
Answer:
Explanation:
the night was cold he shouted frantically. Florence stood out in the night over the wounded soldiers her lamp was bright it shone through the night.As Harriet waited for the signal the slave was forced to hide behind the bathtub for many hours Harriet was brave she bravely fought for freedom.As Neil held his arm in strong evidence that the United states was the first to land a person on the moon Neil was strong he stood strongly on the lunar surface.
Answer:
A. sudden breaking of rock as it releases potential energy
