Answer:
the wall was built to protect china from invaders
Explanation:
your welcome
<em>Answer:</em>
<em>Wheres the passage? lol</em>
Explanation:
A submarine, undersea, or underwater earthquake is an earthquake that occurs underwater at the bottom of a body of water, especially an ocean. ... When the rough spots can no longer hold, the sudden release of the built-up motion releases, and the sudden movement under the sea floor causes a submarine earthquake.
To indicate a completed action