Final answer:
There are two types of thesis statements: closed and controversial. A closed thesis statement presents a specific opinion that can be supported with evidence, while a controversial thesis statement expresses a viewpoint that is debatable.
Step-by-step explanation:
The two types of thesis statements are closed and controversial. A closed thesis statement is one that presents a specific and clear opinion that can be supported with evidence, while a controversial thesis statement expresses a viewpoint that is debatable and sparks conversation.
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