The Moon and stars seem to move from to across the night sky

east to west

Explanation:

The stars and moon are the celestial bodies which are located at distant.

The distance of stars vary but moon and sun remain same. As our Earth rotates at its own axis, other celestial bdies seem to move.

As Earth spins from west to east, the stars and moon seems to move from east to west direction at night and same with Sun, it also seem to move from east to west.

Hence, the correct option is east to west.

it's c. (to reduce the greenhouse effect/carbon gasses)