The thesis statement in the given ones is "It is very hard for deep sea creatures to survive under water". The correct option is D.
<h3>What is thesis statement?</h3>
A thesis statement expresses the central idea of an essay. It includes the topic of the essay as well as the writer's claim about the topic, which will be supported throughout the essay.
The thesis statement is usually found at the end of the introduction, often as the last sentence, and informs the reader of what to expect.
A thesis statement is not always one sentence long; its length is determined by the depth of the essay.
Some essays may necessitate more than one sentence. However, in the final draft of the essay, the statement should be as clear and concise as possible.
The thesis statement in the examples is "It is extremely difficult for deep sea creatures to survive under water."
Thus, the correct option is D.
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