The subject is sponge because that is what is the main point of the sentence is.
The thesis statement is usually the statement that presents the author's view or main idea of the subject.
This is a run on sentence because it’s combing two sentences without a .
The - <em>definite article</em>
Storm - <em>noun</em>
Remains -<em> verb</em> (to remain means to<em> stay</em> in the same manner or in the same condition; continue to exist. But it is formal). The storm <em>continues being</em> a threat to the coastal village.
A -<em> indefinite article</em>
Threat -<em> noun</em>
To -<em> preposition</em>
The - <em>definite article</em>
Coastal - <em>adjective</em>
Village - <em>noun.</em>
