Answer:
Far
Explanation:
The text seems to indicate that all around the wreck is sand as far as the eye can see, hence boundless.
The Right answer is a. an event, an action, or a situation that produces a result.
The explanation for this is that according to the dictionary Aurélio, cause is what makes a thing to be, to exist or to happen. It is the principle, the reason or the origin of something.
I’m finally here! Found ya.