Question

1. in august 2017, a total solar eclipse was visible from the united states. a total solar eclipse happens when earth / the moon moves directly in front of the moon / sun. a total solar eclipse can be seen from everywhere / a narrow path on earth.

Explanation:

A total solar eclipse occurs when the moon moves directly in front of the sun. It can only be seen from a narrow path on Earth, not everywhere.

Answer:

the moon / sun / a narrow path