Sentence 7. It should come later in the paragraph after sentence 8 has described how pearls are made.
The answer is "Or" because "Or" is a conjunction..
This is a tru statement. Stalagmites form on the ground and stalactites form on the upper part or ceiling of the cave.
<span>declarative
interrogative
exclamatory
imperative
interrogative
declarative
imperative
<span>exclamatory</span></span>
