You need a predicate
A predicate is the verbal form so you need it to know what the sentence is about.
Answer:
the answer is B Some Caribbean islands were formed as a result of volcanoes being submerged underwater.
Explanation:
( I just guessed and got it right so no explanation here)
In the numerical form of the value, 913, 256.
If we deduce it as a set of individual numbers in 913
900, 000 = nine hundred thousand
10, 000 = ten thousand
3, 000 = three thousand
913 = nine hundred and thirteen thousand
Again if we combine the set word form of the number value we
will have nine hundred and thirteen thousand for 913 in 913, 256.
As soon as you're in the sky, that's outer space.
However, the atmosphere is only 40 or so miles thick.