(3) the cart switched from potential energy, to kinetic energy, and back again. therefore, a roller coaster ride is just the converting of kinetic energy and potential energy.

in paragraph 3, the word converting means
a) ending.
b) doubling.
c) tracking.
d) changing.

Both these stories are different in the approach and also at the end.

Explanation:

This is because of the distinct approaches taken by the characters for killing their preys. The mysterious twist at the end gives a different perspective to the reader about the story. Their behaviours and the characteristics are contrasting in nature. From the beginning, the different characters behave differently for murdering the prey and at the end their actions are different.