Final answer:
Earth's rotation is considered prograde because it follows the same direction as its orbit around the Sun.
Step-by-step explanation:
The correct answer is C. prograde. Earth's rotation is considered prograde because it follows the same direction as its orbit around the Sun. Earth rotates from west to east, completing one full rotation in approximately 24 hours. This rotation is responsible for the cycle of day and night.
Learn more about Earth's rotation